On
Core 5" Jogger Pants
On Core Jogger Pants are athletic joggers made from full-stretch recycled polyester fabric with a soft, cool feel for fluid movement. They include an elastic waistband with an adjustable inner drawstring, zipped front pockets, storm flaps at the knees, stretch mesh lining, reflective accents, and semi-elastic zipped ankles. The product listing specifies an inseam of 5 inches (12.75 cm), which conflicts with the full-length appearance in the product images.
- Material
- Recycled polyester with stretch mesh lining
- Gender
- unisex
- Style
- activewear, athleisure, minimal
- Category
- Apparel & Accessories > Clothing > Activewear
Color
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.
- Cropped cut
- 5-inch inseam (12.75 cm) creates a deliberately cropped silhouette rare in running pants.
- Reflective visibility
- Reflective detailing at the legs creates a rhythmic moving light signal that is more visible than static torso reflectors, supporting evening visibility.
- Fit
- Consistent regular-to-tapered fit with flexible knee storm flaps.
- Silhouette
- The 5-inch inseam (12.75 cm) gives a deliberately cropped running silhouette.
- Ankle design
- Ankle zip on the outseam allows easy on/off without removing shoes.
- Feel
- Lightweight recycled polyester feels soft and barely noticeable.
- 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.
- Stretch
- The full-stretch recycled polyester fabric provides fluid movement and a comfortable range of motion.
- Ankle fit
- When zipped, the semi-elastic ankle returns to a snug fit that won’t flap or migrate up the leg during a run.
- Ankle zip placement
- The outseam ankle zip placement reduces the risk of the zipper pull catching on the opposite heel during a run.
- Moisture management
- The recycled polyester fabric is inherently moisture-wicking: it pulls sweat off the skin and dries quickly, though the listing names no special wicking finish.
- Stretch direction
- On describes the fabric as full-stretch, meaning it gives in every direction and moves with you; the listing does not use the term 'four-way stretch,' but the full-stretch construction behaves the same way.
- Crotch gusset
- The pant has a crotch gusset, which distributes stride tension through fabric instead of concentrating it at a stitched seam intersection, reducing binding on high knee lift.
- Articulated knees
- The knee is pre-shaped/articulated with a built-in bend, so the fabric follows the leg through flexion instead of pulling taut across the kneecap.
- Temperature range
- These are a lightweight, breathable layer built for mild to cool conditions rather than deep winter; the cool fabric refers to a soft, cool-to-the-touch feel, while the stretch mesh and storm flaps add light wind and rain protection. No specific temperature rating is published.
- Washing and drying
- The joggers are machine washable and can be tumble dried cold; On's care instructions are cold machine wash, cool iron, do not bleach, do not dry clean, and may be tumble dried cold.
Product record
- Title
- Core 5" Jogger Pants
- Brand
- On
- Price
- 160 CAD
- Availability
- In stock
Buying Guide
1 comparison · 17 sourcesUses
Training pants built for fluid movement
These minimalist On joggers are designed for fluid movement, with soft, cool full-stretch fabric made from recycled polyester. The adjustable inner drawstring at the elastic waist helps you fine-tune the fit, while zipped front pockets keep small items secure as you move. Storm flaps at the knees and stretch mesh lining round out the design.[5]
Ventilation and fit adjustments mid-run
These joggers have semi-elastic zipped ankles, so you can quickly shift from narrow, snug cuffs to a looser fit without taking off your shoes. That makes it easy to respond to rising body temperature or a sudden change in weather while you're running.[2,5]
Slip them on or off without removing your shoes
The Core 5-inch Jogger Pants have a side zip hem that On says is designed for easy on and off, handy when you want to pull the pants on or take them off over your footwear. One reviewer found the high ankle zips let them do just that with shoes still on, wearing the pants over shorts on chilly runs and shedding them when temperatures warmed up.[1,3]
Low-light runs and walks with added visibility
The Core 5 Jogger Pants have a reflective logo and reflective accents that provide visibility and safety. That makes them a fit for exercising outdoors when light is limited, such as early-morning or evening outings.[5]
Lightweight joggers for easy, fluid movement
On's Core 5-inch Jogger Pants are made in a soft, cool, lightweight fabric described as feeling like nothing at all, designed for fluid movement. The tapered ankles end in gathered elastic cuffs that sit above the shoe line, keeping the silhouette clean while you train or move.[4,5,6,7]
Product comparison
Compared within this brand.
| Core 5" Jogger Pants: Choose this if you want a minimalist black jogger built for fluid movement, with full-stretch fabric in 100% recycled polyester that is described as lightweight, soft and cool. It suits runners who value high ankle zippers reviewers found let them pull the pants on and off without removing shoes, plus an elastic waist with an adjustable inner drawstring, zipped front pockets, and reflective accents for visibility. Note that while the listing mentions a drawstring, it was not visible in product photos, so check the fit details if adjustability matters to you; sizes run from small to X-large.[3,4,5,6,8] | Core 5" Short: Choose this if you want ultra-light running shorts with a soft, integrated microfibre brief that stays in place and resists chafing, plus an elastic waist with an adjustable inner drawstring. The 5-inch inseam offers a balanced, relaxed fit, and the recycled-polyester stretch fabric comes with three pockets, including two front drop-ins that fit a phone and a rear zip pocket. Note the length lands above mid-thigh as worn, so pick Grey or Black in sizes small through x-large.[9,10,11,12,13,14] | Performance 5" Short: Choose this if you want ultra-lightweight running shorts with a built-in microfibre brief, a 5-inch inseam, and four-way stretch fabric described as fast drying. The recycled-polyamide shell pairs an elastic waist with an adjustable inner drawstring, slant hand pockets, and a secure back zip pocket, in sizes from small to X-large. Note the evidence describes this specific short rather than confirming fit on your body, and the inner liner's compression-style look comes from image analysis, not the label.[15,16,17] |
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.
Brand PDP Lookup
- Brand
- On
Core Pants: Lightweight & Stretchy Men's Running Apparel | On | On Canada