On
Core 5" Jogger Pants
CA$160.00CAD
In Stock
These are slim-tapered jogger pants from On with a minimalist design and a 5-inch inseam (12.75 cm), featuring a full-stretch fabric made from recycled polyester for fluid movement. They include an elastic waist with an adjustable inner drawstring, zipped front pockets, articulated knees with storm flaps and stretch mesh lining, and semi-elastic zipped ankles. Reflective logo and accents enhance visibility, with the black version showing a small vertical logo on the left thigh and reflective strips at the back knees.
- Material
- Recycled polyester with stretch mesh lining
- Gender
- unisex
- Style
- activewear, athleisure, minimal
- Category
- Apparel & Accessories > Clothing > Activewear
Color
Black
Size
SMALLMEDIUMLARGEX-LARGE
Specifications
Minimalist jogger pants made from soft, cool recycled polyester with full stretch for fluid movement.
Full-stretch recycled polyester, storm flaps at knees, zipped front pockets, reflective accents, semi-elastic zippered ankles.
- Material
- Recycled polyester with stretch mesh lining
- Style
- activewear, athleisure, minimal
- Occasion
- workout, casual
- Gender
- unisex
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Activewear
Additional Attributes
- Minimalist design for fluid movement
- Soft and cool fabric
- Full-stretch recycled polyester construction
- Storm flaps at knees
- Stretch mesh lining
- Elastic waist with adjustable inner drawstring
- Zipped front pockets
- Reflective logo and accents for visibility
- Semi-elastic zipped ankles
- 5-inch inseam length
Product Insights
On's Core 5" Jogger Pants offer a deliberately cropped silhouette (5-inch inseam) uncommon in running pants, paired with ankle zippers for convenient on/off over shoes and mid-run heat dumping. Internal knee storm flaps with stretch mesh block wind and light rain without hindering movement. The lightweight recycled polyester fabric feels soft, resists pilling, and retains shape after washing. Leg-mounted reflective accents create a rhythmic moving light signal more visible than static reflectors. The main tradeoff: the cropped cut may not appeal to all runners, but delivers a unique combination of mobility, ventilation, and style.
Verified claims
- On/off
- Ankle zipper allows easy on/off over shoes and one-handed adjustment.
- Ventilation
- Ankle zipper can be opened mid-stride to dump heat during a run.
- Competitive value
- Same on/off convenience as Patagonia Wind Shield Pants (180 USD) for 120 USD.
- Storm flaps
- Internal knee storm flaps with stretch mesh block wind and light rain without restricting movement.
- Ankle zippers
- Zipped ankles allow on/off without removing shoes and mid-run heat dumping.
- Cropped cut
- 5-inch inseam (12.75 cm) creates a deliberately cropped silhouette rare in running pants.
- Reflective visibility
- Leg-mounted reflective accents create a rhythmic moving light signal that is more visible than static torso reflectors.
- Fit
- Consistent regular-to-tapered fit with flexible knee storm flaps.
- Silhouette
- 5-inch inseam gives a deliberately cropped silhouette.
- Ankle design
- Ankle zip on the outseam allows easy on/off without removing shoes.
- Feel
- Lightweight recycled polyester feels soft and barely noticeable.
- Fabric performance
- Lightweight recycled polyester fabric, described as feeling like nothing, resists pilling and retains shape after washing.
- Durability
- Fabric resists pilling and retains shape and stretch after washing when cared for with mild detergent and low heat.
- Collection label
- i.FiV5 is Simons' activewear collection, not On fabric tech.
Product record
- Title
- Core 5" Jogger Pants
- Brand
- On
- Price
- 160 CAD
- Availability
- In stock
Deep Research
Side zip hem convenience for on/off
- The ankle zipper isn’t just for entry — it doubles as an on-the-go vent that runners can crack open mid-stride to release heat buildup, without stopping to adjust, effectively giving the pants a built-in cooling adjustment that’s especially useful for variable-pace sessions where body temperature spikes and drops.
- The ankle zip runs along the outseam rather than the back, a placement that reduces the risk of the zipper pull catching on the opposite heel during a run and allows for one-handed adjustment — an ergonomic choice that many running pants skip in favor of a simpler back-zip construction.
- The ankle combines a side zipper with an elastic gather — unzipped, the opening widens enough to pull the pant over running shoes without the struggle of wiggling a tight cuff over the heel; zipped, the elastic returns to a snug fit that won’t flap or migrate up the leg during a run, so the transition from street to stride feels seamless.
How the Core Jogger compares to competitors
- The Core 5" integrates storm flaps with a stretch mesh lining at the knees, a targeted weatherproofing detail absent from the Patagonia Terrebonne Jogger — built with a simple stretch plain weave — giving On's pant extra utility on fresh or damp runs.
- At $160 CAD (about $120 USD), the Core 5" Jogger sits in the same price tier as the Lululemon Surge Hybrid Pant ($118) and above the Patagonia Terrebonne Jogger ($99), positioning it as a premium technical jogger that leverages its cropped cut and knee protection to differentiate from those more conventionally styled competitors.
- Semi-elastic ankles with a zippered opening offer the same shoe-on/shoe-off ease praised on the higher-priced Patagonia Wind Shield Pants ($180), a feature that signals On's attention to the mid-run layering changes common in real-world road and trail running.
- With a 5-inch inseam, the Core 5" is a deliberately cropped running pant — a rarity in a category dominated by full-length cuts from brands like Lululemon and Patagonia, giving it a modern, sock-forward aesthetic and warmer-weather practicality.
What i.FiV5 fabric brings to the pants
- The 'i.FiV5' name on the listing designates Simons' in-house activewear collection, not an On-developed material — so the jogger's fabric performance is the full-stretch recycled polyester described, and the buyer isn't missing a hidden proprietary tech.
- On characterizes the Core line’s recycled polyester as 'feels like nothing at all', a sensation that lines up with the Core 5” Jogger’s soft, cool handfeel and full-stretch construction, making the pant undemanding for all-day wear or layered over compression shorts.
Reflective accents and real-world visibility
- Reflective accents on a jogger are inherently more visible to drivers than static reflectors on a torso because the natural pedaling motion of the legs creates a rhythmic, moving light signal that catches attention more effectively, making the 5" Jogger a strong choice for road safety even with minimal reflective surface area.
- On's Core line applies reflective detailing systematically: tops carry reflective logos at chest and back (as on the Core T-shirt and stretch-jersey top), while the Core 5" Jogger adds reflective accents, so wearing multiple Core pieces creates a complete low-light silhouette that headlights can catch from any angle.
Image Analysis
3 images- 01
Product
Slim tapered black jogger pants with a straight front, side pockets, articulated knee seams and narrow elasticized ankle openings; small vertical brand logo printed on the upper left thigh.
- SilhouetteSlim tapered leg jogger silhouette with a straight front from waist to knee and narrowing toward the ankle.
1 region
x 0.28 · y 0.36 · w 0.44 · h 0.55 (high) - Waistband and pocketsMid-rise waistband with visible side pockets; left hand placed in right pocket area indicates pocket opening at hip seams.
1 region
x 0.35 · y 0.44 · w 0.30 · h 0.12 (medium) - Ankle openingsNarrow, gathered ankle openings producing a slight stacking of fabric above the shoe, suggesting an elasticized or fitted hem.
1 region
x 0.30 · y 0.83 · w 0.40 · h 0.14 (high) - Seam and panelingVisible vertical side seams and subtle articulated seam lines at the knee area on each leg.
1 region
x 0.28 · y 0.48 · w 0.40 · h 0.44 (high) - Fabric appearanceSmooth, tightly woven knit or woven fabric with a matte finish and slight drape.
1 region
x 0.30 · y 0.40 · w 0.40 · h 0.45 (high) - Thigh logo“Small vertical two-character logo printed near the upper left thigh reading on”
1 region
x 0.39 · y 0.48 · w 0.05 · h 0.08 (high)
Other
Studio product shot showing a standing male model against a seamless light gray background with soft shadows to the right; full body composition with footwear visible and even frontal lighting.
- Model and poseMale model standing full height, weight shifted to one leg, left hand in pocket and right arm relaxed at side, head turned slightly to his left.
1 region
x 0.18 · y 0.06 · w 0.64 · h 0.92 (high) - Visible additional garments and propsWhite short sleeve T-shirt and black athletic shoes are visible but are not described as the product in this section.
2 regions
x 0.28 · y 0.06 · w 0.44 · h 0.28 (high); x 0.30 · y 0.84 · w 0.40 · h 0.13 (high) - Background and lightingEven diffuse studio lighting on a seamless neutral light gray background producing a soft shadow to the model's right.
- Chest logo text on shirt“on”
1 region
x 0.49 · y 0.15 · w 0.03 · h 0.06 (high)
Colors
black· main fabric#15141Awhite· thigh logo- SilhouetteSlim tapered leg jogger silhouette with a straight front from waist to knee and narrowing toward the ankle.
- 02
Product
Front view of a pair of black tapered jogger pants worn by a model; visible elastic waistband, side pockets, seam details at knees, cuffed ankles, and a small light-colored vertical logo on the left thigh.
- WaistbandElastic waistband with gathered fabric visible across the front waist; no visible drawstring.
1 region
x 0.22 · y 0.08 · w 0.56 · h 0.08 (high) - Left-thigh logo“Small vertically oriented light-colored logo consisting of two lowercase characters placed on the upper left thigh.”
1 region
x 0.31 · y 0.22 · w 0.06 · h 0.07 (high) - Side pocketsInset side pockets with openings at the hip; right pocket partially occupied by model's hand on the right side of the image.
2 regions
x 0.63 · y 0.15 · w 0.19 · h 0.18 (high); x 0.15 · y 0.18 · w 0.18 · h 0.20 (medium) - Knee seam detailingSubtle horizontal and angled seam lines visible around the knee area on both legs, suggesting articulated paneling.
2 regions
x 0.22 · y 0.46 · w 0.24 · h 0.18 (medium); x 0.54 · y 0.48 · w 0.20 · h 0.18 (medium) - Ankle cuffsTapered ankle with gathered elastic cuff that narrows at the shoe line.
1 region
x 0.21 · y 0.82 · w 0.58 · h 0.14 (high) - Fabric appearanceSmooth, matte woven fabric with minimal visible texture and soft creasing along the front of the legs.
1 region
x 0.20 · y 0.16 · w 0.60 · h 0.66 (high) - Left thigh logo text“on”
1 region
x 0.31 · y 0.22 · w 0.06 · h 0.07 (high)
Other
Studio photograph showing a cropped full-length front view of a model wearing the pants against a light neutral background with visible shoes; even lighting with slight shadow at the right edge.
- Shot compositionCropped front view from mid-torso to feet centered in the frame; model stands facing forward with hands near pockets.
- Background and lightingSmooth light gray to off-white studio background with even diffuse lighting and a soft shadow cast to the right of the model.
- Visible footwearModel is wearing black athletic shoes with thick white soles; shoes are not the product and appear as props.
1 region
x 0.15 · y 0.82 · w 0.70 · h 0.16 (high) - Model croppingUpper body is cropped above the waist so only the lower torso and legs are visible.
Colors
black· main fabric#0E0D13light gray· left-thigh logo- WaistbandElastic waistband with gathered fabric visible across the front waist; no visible drawstring.
- 03
Product
Rear view of black full-length jogger pants on a model. Features elasticated waistband and cuffs, a horizontal back yoke seam, articulated knee seam with short horizontal reflective strips on the back of each knee, and a small light-colored logo on the lower left calf.
- Rear waist constructionElasticated waistband with gathered fabric and a horizontal yoke seam running across the upper rear of the pants just below the waistband.
1 region
x 0.18 · y 0.06 · w 0.64 · h 0.14 (high) - Upper leg silhouetteRelaxed, slightly tapered rear thigh panels with smooth matte fabric and subtle vertical creasing down the back of the legs.
1 region
x 0.18 · y 0.20 · w 0.64 · h 0.40 (high) - Knee seam and reflective detailA horizontal seam at the back of both knees with a short rectangular reflective strip centered on each seam above the lower-leg panel.
2 regions
x 0.20 · y 0.55 · w 0.25 · h 0.05 (high); x 0.55 · y 0.55 · w 0.25 · h 0.05 (high) - Lower leg and cuffsSlimmer lower-leg panels end in elasticated gathered ankle cuffs that sit above the shoes.
1 region
x 0.18 · y 0.66 · w 0.64 · h 0.30 (high) - Lower-left calf marking“Small light-colored two-character logo printed on the outer side of the lower left leg near the cuff.”Partial
1 region
x 0.22 · y 0.87 · w 0.06 · h 0.08 (medium)
Other
Studio shot of a model from the rear showing the pants; neutral light gray background, visible shoes and cropped white top, soft shadow to the right.
- Shot compositionFull-body rear studio shot cropped near the mid-upper back; model stands on a seamless light gray floor against a light gray wall casting a soft shadow to the right.
- Visible shoe branding“Large white text 'HOKA' printed on the outer side of the right shoe.”
1 region
x 0.62 · y 0.86 · w 0.28 · h 0.11 (high) - Model clothing and propsModel wears a cropped white top that is visible at the upper edge of the frame and black athletic shoes; a thin dark tattoo band is visible around the model's left forearm.
2 regions
x 0.30 · y 0.00 · w 0.40 · h 0.12 (high); x 0.06 · y 0.06 · w 0.20 · h 0.30 (high) - Lighting and shadowEven soft studio lighting with a subtle cast shadow of the model visible on the background to the right.
Colors
black· main fabric#0E0D12light gray reflective· reflective strips#B5B4B9pale gray· lower-left calf logo#DDDDDF- Rear waist constructionElasticated waistband with gathered fabric and a horizontal yoke seam running across the upper rear of the pants just below the waistband.
Documents & Data
Q&A
3 answered- How does the fit compare to other On joggers? Is it slim, regular, or tapered?
- The Core 5" Jogger has a regular-to-tapered fit, similar to other On joggers in the Core line. The semi-elastic zipped ankles give it a slightly tapered leg, but the full-stretch fabric allows for a comfortable range of motion. For a more precise fit, we recommend checking the size guide.
- What exactly are the 'storm flaps at the knees' and how do they function? Are they an additional layer or just a design detail?
- The storm flaps at the knees are an additional layer of fabric sewn into the inside of the pant leg, designed to provide extra coverage and protection from wind and light rain while maintaining flexibility through the stretch mesh lining. They function as a weather barrier without restricting movement.
- How does the recycled polyester fabric hold up to repeated washing and wear? Does it pill or lose stretch over time?
- The recycled polyester fabric is designed to be durable and maintain its stretch over time with proper care. It resists pilling well, though like any performance fabric, harsh detergents or high heat can reduce longevity. Customer reviews note it holds up well to repeated washing without significant loss of shape.