Arc'teryx Men's Proton SL Hoody

The lightest, most breathable option in the Arcteryx Insulation Collection.  The Proton SL Hoody takes the guesswork out of warming up on cold climbs and other high-output activities in cool conditions. The knit insulation holds its loft and shape—no matter how often you stuff it into the bottom of your pack. More importantly, it allows your body to breathe, so you’re not left a sweaty mess after you have to step on the gas to get through the crux. Updated with recycled Fortius™ fabric for improved durability, and chest pocket and design lines that align with the Proton Collection. Features: Moisture-resistant outer face fabric Breathable Lightweight Durable Construction: Fortius™ Air 20 face fabric effectively balances air permeability and weather resistance with lightweight durability and stretch  Octa® Loft breathable insulation provides thermal protection  Design & Fit:  Fitted, with articulated patterning for mobility and comfort  Garment Centre Back Length: Size M is 29"/72cm - Varies by size  Fabric treatment:  FC0 DWR (Durable Water Repellent) finish repels moisture and is free from intentionally added PFAS  Hood configuration: Helmet compatible Adjustable insulated hood Pockets: Two zippered hand warmer pockets Single stretch woven zippered chest pocket  Sustainability:  Contains materials that meet the bluesign® criteria  Body - bluesign® approved material  PFAS (Per- and polyfluoroalkyl substances) Compliant Weight:  370g / 13.1 oz Activity: Alpine/Rock Manufacturing facility:  Youngone (CEPZ) LTD, Bangladesh  Fit & Sizing: Fit: Fitted A trimmer fit patterned to stay close to the body through the chest, waist, hip, and thigh. Its low profile eliminates bulk, moves with the body, and fits comfortably over first layers or under outer layers. Materials: Lining: Polyester Octa Rachel knit Insulation, 98gsm - 100% Polyester  Body: Fortius™ Air 20 - Plain Weave, FC0 DWR, 58gsm - 88% Nylon, 12% Elastane  NOTE: The Proton SL Hoody was previously the Proton Lightweight Hoody.

Arc'teryx Men's Proton Hoody

Made for climbers – but not limited to rock and ice – the Proton Hoody is the go-to breathable insulation layer for high-output mountain missions. 80gsm Coreloft™ Compact insulation works with the air-permeable face fabric and liner to regulate temperature and vapour build-up. The Fortius Air 20 nylon shell is light and durable, articulated patterning removes restriction, and a helmet-compatible insulated hood extends the warmth. What's been updated: Updated with a PFAS-free DWR (Durable Water Repellent) treatment, Fortius™ Air 20 face fabric with 42% recycled nylon, and Coreloft™ Compact insulation for improved stretch and breathability. TECHNICAL FEATURES Moisture-resistant outer face fabric Breathable Lightweight Wind resistant Air permeable CONSTRUCTION Fortius™ Air 20 face fabric effectively balances air permeability and weather resistance with lightweight durability and stretch Coreloft™ Compact insulation regulates temperature, performs if wet, and is made from 100% recycled materials Breathable 20d plain weave Toray liner allows airflow and is made with recycled content DESIGN & FIT Fitted, with articulated patterning for mobility and comfort Garment Centre Back Length: Size M is 30"/77cm - Varies by size ADDITIONAL FEATURES Knit cuffs add comfort and style FC0 DWR (Durable Water Repellent) finish repels moisture and is PFAS-free Dual lower hem adjusters 60gsm PrimaLoft® insulated helmet-compatible hood provides additional warmth Two hand pockets with zippers Single stretch woven zippered chest pocket No Slip Zip™ prevents inadvertent opening Weight 415g / 14.6 oz SUSTAINABILITY Contains materials that meet the bluesign® criteria Body - bluesign® approved material Insulation - bluesign® approved material, recycled content Lining - bluesign® approved material, recycled content PFAS (Per- and polyfluoroalkyl substances) Compliant