OverviewThe Mechanism jersey is PNS's core road race-fit jersey — Italian-milled four-way-stretch primary with perforated side and underarm zones, three rear pockets plus a zipped valuables pocket, silicone hem gripper, reflective markings. The Late Drop Jersey and Midsummer variants are seasonal weight drops of the same pattern. Sits at the heart of the road line between Essential and Mechanism Pro. Core handle for the Mechanism jersey — the platform every capsule rotates on.DetailsBest forRoad riding from tempo training to race paceRiders who want the Mechanism race-fit with Italian-milled four-way-stretchWarm-weather days where three pockets plus a zip pocket carry the essentialsPairing with the Mechanism bib or Essential bib for everyday road kit SpecsRace-fit road cutItalian-milled four-way-stretch primary with perforated side and underarm panelsThree rear pockets plus a zipped valuables pocketSilicone hem gripper; reflective markings; men's and women's cutsColourway: AOP Indigo · AOP Dark Mauve · AOP Hibiscus Orange · Navy · AOP Earth · AOP Off White · Black · White · Dusty Lime · Haze · Maroon · Dusty Yellow · Burgundy · Khaki Green · Light IndigoSizes: XS · S · M · L · XL · XXLMaterials & CareItalian-milled four-way-stretch technical fabric with perforated panels; chamois from PNS's Italian pad partner.Machine wash cold (30 C max) on delicates with similar colours. Fasten zips and Velcro before washing.Do not use fabric softener - it breaks down the chamois foam and wicking treatment.Air-dry flat. Do not tumble dry, do not iron, do not dry-clean.Store flat or hung on a wide hanger. Keep out of prolonged UV.Bundle & SaveBuild a bundle and save up to 15% off.Shop Bundle Builder HR40 Overview The Mechanism Jersey is Pas Normal Studios’ lightweight race-fit staple for riders who want a tight, aerodynamic fit on fast road days. Its micro-perforated panels, locked-in grippers and secure rear storage suit hard training, intervals and racing from late spring through warm conditions. Best for Use: both Sport(s): cycling Terrain: road Effort level: hard Temperature range: Mild to high temperatures; PNS does not publish a numeric range. Season: summer Weather protection: Highly breathable and quick-drying, with limited wind and water protection. Fit & fabric Cut: race Gender: men's Sizing notes: Slim, shorter-torso riders can take their usual race-fit size. Taller, broader or longer-torsoed riders, and riders who wear medium in Rapha or MAAP, should go up one. Sleeve length: short Main fabric: Technical polyester-elastane stretch construction; the current updated generation is 86% polyester and 14% elastane. Older colourways consolidated on this product may vary. Fabric weight: light Layer position: standalone Features Key features: Low collar, micro-perforated collar, sleeve, back and side panels, elastic waist and sleeve grippers, full-length YKK semi-auto-lock zip with guarded ends, and a stiff zip insert. Pockets: Elastic rear storage plus a concealed single-layer side patch pocket with a stay-down zip. Weight: Current updated generation: 102 g in size M; older consolidated colourways may vary. Good to know Collection: Mechanism Pairs well with: Mechanism Bibs, PAS Race Socks. Care: Gentle machine wash at 30°C with low spin and non-bio detergent. Air dry. Do not bleach or use fabric softener; wash light and dark colours separately. Team intake Cut for slim, shorter-torso riders — if that's you, take your race size and it's superb. Taller, broader, or a medium in Rapha/MAAP? Go up one. It measures shorter in the body than the same-size Castelli. want the look with more room? Essential, or T.K.O.