What are the exact waist and inseam measurements for each size (28-36)?

For sizes 28-36, approximate waist and inseam measurements based on a similar adidas Firebird jean size chart are: size 28: waist 28", inseam 29.75"; size 30: waist 30", inseam 30.5"; size 32: waist 31.5-32.5", inseam 32"; size 34: waist 34-35.5", inseam 32"; size 36: waist 36-37.5", inseam 32.5". Another source lists an inseam of 81 cm (approx. 31.9") for all sizes 28-38. Note that these are body measurement guides, not garment measurements, and actual fit may vary.

Does the color 'Navy/Midnight Blue' appear true to the product photos, and is it a uniform wash or does it have fading/whiskering?

We don't have product images to confirm the exact shade. The listing describes the color as 'Navy/Midnight Blue' and similar models (like the 'medium blue denim' version) feature a medium wash with light 3-stripe branding and no heavy fading or whiskering. However, the actual appearance may differ, so we recommend checking customer photos if available.

How does the non-stretch denim break in over time—does it soften significantly or retain stiffness?

100% cotton non-stretch denim typically softens with wear but retains its structure. While this specific jean is made from heavyweight cotton denim, we don't have customer reviews on break-in. Generally, such denim becomes more comfortable over time but won't become stretchy.

Adidas Originals

Firebird Adicolor Jean Relaxed Fit

CA$130.00CAD

In Stock

The Firebird Adicolor Jean from adidas Originals is a relaxed-fit, mid-rise jean crafted from non-stretch, heavyweight 100% cotton denim. It features a classic five-pocket design with contrast topstitching and the signature adidas three-stripe detailing along the outer leg seams. Designed as part of the Adicolor collection, this authentic yet modern piece offers a loose, wide-leg silhouette suitable for casual wear.

Material: Non-stretch, heavyweight 100% cotton denim
Gender: unisex
Style: casual, heritage, relaxed-fit, wide-leg
Category: Apparel & Accessories > Clothing > Pants

Color

Navy/Midnight Blue

Size

2830323436

View on merchant site JSON

Specifications

Relaxed wide-leg jeans from the adidas Originals Adicolor collection, crafted from non-stretch heavyweight cotton denim with a mid rise.

5-pocket design, mid rise, relaxed wide-leg fit, heavyweight cotton denim

Material: Non-stretch, heavyweight 100% cotton denim
Style: casual, heritage, relaxed-fit, wide-leg
Occasion: everyday, casual
Gender: unisex
Age Group: adult
Condition: new
Category: Apparel & Accessories > Clothing > Pants

Additional Attributes

Adicolor collection
Non-stretch heavyweight cotton denim
5-pocket design
Mid rise
Relaxed wide-leg fit
100% cotton

Product Insights

The Adidas Originals Firebird Adicolor Jean relaxed fit is a direct descendant of the 1967 Beckenbauer tracksuit, reimagined in heavyweight 100% cotton denim with a flared silhouette and full-length three-stripe tape. Its wide-leg cut creates a chimney effect for airflow, improving comfort during break-in, which softens the jeans after 30–90 wears and yields high-contrast fades. Raw denim behavior means non-stretch stiffness, unbound indigo transfer to light surfaces for months, and a care regimen of cold washing every 5–10 wears after an initial pre-wash. Priced between Levi's STF and selvedge, the premium goes to the Firebird design and wide-leg cut, with a matching denim track top available. The tradeoff: iconic style and personalized fading versus the commitment to raw denim maintenance and dye bleeding.

Verified claims

Heritage: Direct descendant of the 1967 Beckenbauer tracksuit, with flared silhouette and heavy cotton denim.
Ventilation: Wide-leg shape creates a chimney effect for airflow, improving comfort in warm weather.
Break-in: Jeans soften after 30–90 wears; wide-leg cut aids airflow during break-in.
Fade: Heavyweight denim yields high-contrast, personalized fades and stack creases over time.
Denim care: Pre-wash twice; then wash every 5–10 wears in cold water for optimal fades.
Dye transfer: Unbound indigo dye transfers to light surfaces for months; friction and moisture worsen transfer.
Wash strategy: Wash cold after 5-10 wears; dry-rub test shows initial bleeding risk.
Price positioning: Priced between Levi's STF and selvedge; premium goes to Firebird design and wide-leg cut.
Denim performance: Non-stretch 100% cotton denim behaves like raw: stiff, fades, and bleeds indigo.
Matching set: Matching denim Firebird track top available with identical three-stripe taping.
Material shift: Heavyweight 100% cotton denim replaces original nylon tricot for a textured, aging character.
Side stripe: Full-length, contrasting three-stripe tape runs from hip to hem on the outer leg.
Wide-leg fit: Athletic flared silhouette with relaxed wide-leg cut in heavyweight non-stretch cotton denim.
Set coordination: Matching denim Firebird track top with identical three-stripe tape is available for a coordinated set.
Stripe care: The light side stripe is susceptible to indigo dye transfer, requiring cold-water washing and limited cycles.

Product record

Title: Firebird Adicolor Jean Relaxed Fit
Brand: Adidas Originals
Price: 130 CAD
Availability: In stock

Deep Research

Living with dark indigo denim: bleeding and care

Rubbing a small, pre-washed section of the denim vigorously on a white fabric for one minute reveals how much dye will crock in daily wear; if the transfer is heavy, washing the jeans a second time before wearing dramatically reduces, and can even eliminate, the crocking risk.
Washing in cold water (≤30°C) reduces dye leaching by up to 90% compared to hot water, so skipping the warm cycle is the single most effective way to keep the navy color deep and prevent bleeding onto other garments.
Most denim experts advise washing after 5–10 wears rather than after every use; less frequent washing preserves the indigo saturation and prevents premature fiber breakdown, so airing out the jeans and spot cleaning between washes keep the Navy/Midnight Blue hue intact longer.
It may take at least two or three wash cycles for the excess surface dye to rinse away and the bleeding to subside; until then, the jeans remain in a high-transfer state, so treat the first few wears as a break-in period where caution with light surfaces is essential.
Up to 60% of the indigo dye remains physically unbound on the cotton surface rather than chemically bonded, which means these jeans will continue to bleed dye even after multiple washes — the color will always be active, so light furniture and white sneakers are at risk for the life of the jean.
Moisture speeds up indigo dye transfer significantly, so getting these jeans wet while wearing them — from rain, spills, or sweat — will increase the chance of staining light-colored seats or other clothing almost immediately.

How the relaxed wide-leg fit actually wears

Listed as 'Flared' under shape on its Zalando product page, the Firebird Adicolor Jean widens from knee to hem, making it a true wide-leg cut rather than the 'straight' fit sometimes assigned in catalog metadata — this flare is a direct carryover from the original Firebird track pant's athletic silhouette.
Billed as a denim version of the adidas Firebird track pant, this jean adopts the track suit's iconic wide-leg, sport-inspired silhouette; the product description explicitly frames it as the same silhouette that's 'been on the shoulders of hip-hop stars' now executed in denim, signaling a statement cut that diverges from classic straight jeans.

Price compared to other heavyweight denim jeans

At roughly $93 USD at current exchange, the jean sits above entry-level Levi's 501 Shrink-to-Fit ($55–80) and well below selvedge Levi's ($110–150), positioning it as a mid-tier option where the premium goes toward design heritage and a relaxed wide-leg cut rather than a selvedge detail.
Most heavyweight cotton jeans favor straight or tapered legs, but the Firebird jean's relaxed, wide-leg fit aligns with a broader fashion move toward baggier, 1990s-inspired silhouettes, giving it a directional edge that helps justify its price against more conservative raw-denim cuts.

How the Firebird tracksuit inspires this jean

The Firebird name directly references adidas’ first apparel piece: the 1967 Beckenbauer tracksuit, a garment that migrated from the soccer field to become the uniform of hip-hop, gabber, and casuals over five decades, making the jean a wearable link to a cross-subcultural style lineage that predates most denim trends.
Exchanging the original nylon tricot for heavyweight non-stretch cotton denim grafts workwear’s break-in personality onto the Firebird silhouette, so the jean develops personalized fades and creases over time—a sharp departure from the uniform synthetic sheen of the 1970s tracksuit.
The jeans were released alongside a matching denim Firebird track top featuring the same three-stripe execution and Trefoil embroidery, reviving the original matched-set tradition in indigo—wearing them together completes the silhouette shift from gymnasium to street-level design language.

Heavyweight non-stretch denim: break-in and aging

Heavyweight cotton's density can retain body heat, but the relaxed wide-leg cut creates a chimney effect that allows air to circulate, making this jean more wearable in mild to warm weather than a skinny or tapered heavyweight — the mid rise and generous seat also reduce cling and sweat buildup for all-day comfort.
Because heavyweight denim resists flexing initially, the jeans will break in unevenly: the seat, lap, and inner thighs will soften and fade within a couple of months, while the lower legs and outer panels stay darker and more structured, resulting in a natural two-tone patina that highlights the relaxed drape without losing the jeans' architectural shape.
Denim above 13 ounces forms sharper, more defined creases than lighter fabrics, so this heavyweight 100% cotton jean will develop high-contrast whiskers, honeycombs, and stacks that personalize the relaxed wide-leg silhouette — the extra leg volume amplifies stack fades and lets whiskering set without binding during movement.
The boardy, structured feel out of the box comes from starch added during weaving — it releases through 30–90 wears of normal movement, gradually shifting the jean from a rigid, shape-holding state into a softer, more draped garment that retains its relaxed wide-leg outline but gains comfort at the waist, seat, and knees.
The 'color will bleed' warning indicates surface-bonded indigo rather than core-dyed fibers, meaning friction from daily habits — phone pockets, sitting, walking stride — will erode the dye layer unevenly to create a wearer-specific fade pattern that tells the story of how the jean was lived in, with high-movement zones lightening while low-friction areas stay deep navy.

Image Analysis

3 images

01: Product
Front view of a pair of dark indigo relaxed-fit jeans worn by a model; visible features include high waist with metal button, front pockets, contrast copper stitching, and a narrow light-colored side stripe along the outer leg seams.
Overall silhouetteRelaxed, straight-leg jeans viewed from the front with a roomy thigh and a wide leg opening that falls over the shoes.
1 region
x 0.18 · y 0.36 · w 0.64 · h 0.59 (high)
Denim color and finishDark indigo denim with an even, non-distressed finish and low visible texture.
1 region
x 0.22 · y 0.42 · w 0.56 · h 0.47 (high)
Waistband and closureVisible waistband with a centered metal top button and belt loops; button is metallic and slightly reflective.
1 region
x 0.35 · y 0.36 · w 0.30 · h 0.06 (high)
Front pocketsTwo curved front pockets with visible pocket openings and a small coin pocket partly visible at the right front.
2 regions
x 0.25 · y 0.41 · w 0.20 · h 0.12 (high); x 0.55 · y 0.41 · w 0.20 · h 0.12 (high)
Contrast stitchingCopper-colored topstitching around pockets, fly, and seams visible against the dark denim.
1 region
x 0.40 · y 0.39 · w 0.20 · h 0.20 (high)
Side stripeA narrow light-colored stripe runs along the outer seam of each leg from waist toward the hem.
2 regions
x 0.17 · y 0.46 · w 0.04 · h 0.46 (high); x 0.79 · y 0.46 · w 0.04 · h 0.46 (high)
Hem and drapeLeg hems extend over the shoes and show a slight break with soft drape and minor folding at the bottom.
1 region
x 0.22 · y 0.88 · w 0.56 · h 0.10 (high)
Other
Studio shot of a male model standing against a plain light background; even soft lighting with minimal shadows and full-body centered composition.
Model stylingMale model wearing the jeans with hands in pockets, paired with a short-sleeve light-colored T-shirt and brown shoes; model occupies the central vertical axis.
1 region
x 0.20 · y 0.05 · w 0.60 · h 0.92 (high)
BackgroundUniform light gray or off-white seamless studio background with no visible props or text.
Lighting and shadowsSoft, diffuse lighting producing minimal hard shadows and even exposure across the garment.
Image crop and qualityFull-body vertical crop centered on the model; image is high resolution with clear detail.
Colors
dark indigo· main denimoff-white· side stripe#F0F0F0copper stitching· stitchingantique brass· waist button
02: Product
Relaxed straight-leg dark indigo denim jeans shown on a model from mid-waist to shoes, featuring three vertical light-gray side stripes along the outer seam, orange contrast topstitching, visible five-pocket construction with rivets and waistband button.
Silhouette and viewLower-body view of relaxed straight-leg jeans worn by a model; image shows front and left-side of the trousers from mid-waist down to the shoes with a slight break at the hem.
1 region
x 0.12 · y 0.06 · w 0.74 · h 0.90 (high)
Material and finishDark indigo denim with visible denim weave texture and matte finish.
1 region
x 0.20 · y 0.16 · w 0.58 · h 0.75 (high)
Side stripe detailThree parallel vertical light-gray woven stripes run along the full outer seam of the left leg from hip to hem.
1 region
x 0.06 · y 0.18 · w 0.12 · h 0.74 (high)
TopstitchingContrasting orange topstitching visible around the fly, waistband, pocket openings and along some seams.
1 region
x 0.40 · y 0.08 · w 0.28 · h 0.28 (high)
Pocket and rivet detailFront five-pocket styling visible with a coin pocket and metal rivets at pocket corners; rivets appear metallic and reflective.
1 region
x 0.36 · y 0.10 · w 0.20 · h 0.16 (high)
Waistband closureWaistband with belt loops and a visible metal top button at center front above the fly.
1 region
x 0.44 · y 0.06 · w 0.14 · h 0.10 (medium)
Hem and fit at shoesHem falls over the shoes with a small amount of fabric pooling at the foot, indicating a longer relaxed length.
1 region
x 0.20 · y 0.74 · w 0.60 · h 0.22 (high)
Visible model hand and ringsModel's left hand rests along the left thigh with two rings visible on fingers touching the outer seam near the stripes.
1 region
x 0.10 · y 0.16 · w 0.12 · h 0.18 (high)
Other
Studio product shot on a plain light-gray/white background showing the model from mid-waist down; soft even lighting with minimal shadows; brown suede shoes worn by the model act as props.
Background and lightingEven studio lighting on a seamless light-gray to white background, producing soft shadows under the shoes.
Prop shoesModel wears brown suede slip-on shoes that are visible under the jeans; shoes are part of the styled shot, not product packaging.
1 region
x 0.30 · y 0.78 · w 0.42 · h 0.18 (high)
Shot compositionVertical crop centered on the lower torso and legs of the model; image is slightly right-weighted so more of the left outer-leg stripe is visible.
Colors
dark indigo· main denim#1D1D32light gray· side stripesorange contrast stitching· topstitchingmetallic gold· metal rivets and button
03: Product
Rear view of dark indigo relaxed-fit jeans showing back patch pockets with contrast stitching and vertical three-stripe tape along outer seams of both legs.
Rear patch pocketsTwo square rear patch pockets positioned on the seat with visible single-line contrast stitching in an orange/tan thread following the pocket perimeter and an additional diagonal stitch detail on the lower outer corner of each pocket.
2 regions
x 0.18 · y 0.12 · w 0.25 · h 0.18 (high); x 0.47 · y 0.12 · w 0.25 · h 0.18 (high)
Waistband and center back seamVisible waistband across the top of the rear with a center back seam and topstitching in the same orange/tan thread.
1 region
x 0.20 · y 0.05 · w 0.60 · h 0.08 (high)
Side stripe tapeVertical triple-stripe tape runs along the outer side seam of each leg from hip toward hem; the tape appears as three parallel light-colored (white/gray) stripes with a darker narrow outline.
2 regions
x 0.77 · y 0.15 · w 0.16 · h 0.70 (high); x 0.03 · y 0.62 · w 0.14 · h 0.28 (medium)
Leg shape and fitRelaxed straight legs with a loose, slightly wide drape through the thigh and straight fall to the hem; subtle creasing and shadowing indicate soft denim drape.
1 region
x 0.12 · y 0.20 · w 0.76 · h 0.72 (high)
Hem and topstitchFolded hem with visible orange/tan topstitching around the bottom edge of the legs.
1 region
x 0.18 · y 0.88 · w 0.64 · h 0.08 (high)
Denim texture and colorDark indigo denim with a subtle twill texture visible in lit areas and mild vertical color variation from the weave.
1 region
x 0.12 · y 0.12 · w 0.76 · h 0.80 (high)
Other
Studio shot showing a model wearing the jeans against a plain light gray/white background with even soft lighting; lower legs and brown shoes visible, image cropped above the waist and below the ankles.
Shot compositionRear-facing three-quarter crop of a model photographed from mid-back to feet, centered in frame with the jeans occupying most of the image vertical space.
BackgroundSmooth uniform light gray to white studio background without texture or props.
Model hand and shirtModel's right hand rests at the side and a portion of a white shirt is visible above the waistband; both are partially cropped by the image top.
1 region
x 0.64 · y 0.02 · w 0.32 · h 0.18 (high)
Footwear visibleBrown low-profile shoes are visible peeking under the hem of the jeans at the bottom of the frame.
1 region
x 0.36 · y 0.94 · w 0.28 · h 0.06 (medium)
Lighting and shadowsSoft, even studio lighting with gentle shadows defining leg contours and minimal specular highlights.
Colors
dark indigo· denim body#1C1C31orange/tan stitching· topstitchingwhite / light gray stripes· side stripe tape#EDEDED

Documents & Data

Q&A

3 answered

What are the exact waist and inseam measurements for each size (28-36)?: For sizes 28-36, approximate waist and inseam measurements based on a similar adidas Firebird jean size chart are: size 28: waist 28", inseam 29.75"; size 30: waist 30", inseam 30.5"; size 32: waist 31.5-32.5", inseam 32"; size 34: waist 34-35.5", inseam 32"; size 36: waist 36-37.5", inseam 32.5" [1]. Another source lists an inseam of 81 cm (approx. 31.9") for all sizes 28-38 [2]. Note that these are body measurement guides, not garment measurements, and actual fit may vary.
Does the color 'Navy/Midnight Blue' appear true to the product photos, and is it a uniform wash or does it have fading/whiskering?: We don't have product images to confirm the exact shade. The listing describes the color as 'Navy/Midnight Blue' and similar models (like the 'medium blue denim' version) feature a medium wash with light 3-stripe branding and no heavy fading or whiskering [1]. However, the actual appearance may differ, so we recommend checking customer photos if available.
How does the non-stretch denim break in over time—does it soften significantly or retain stiffness?: 100% cotton non-stretch denim typically softens with wear but retains its structure. While this specific jean is made from heavyweight cotton denim, we don't have customer reviews on break-in. Generally, such denim becomes more comfortable over time but won't become stretchy.

Provenance

Merchant Link: https://www.simons.ca/en/men-clothing/jeans/straight/firebird-adicolor-jean-relaxed-fit--2911-26322?colourId=0
Updated: July 31, 2026