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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
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.
NOTE: The Proton SL Hoody was previously the Proton Lightweight Hoody.
Code:
UK Delivery
Order before 12pm Monday to Friday for same day dispatch. Orders placed Saturday and Sunday will be dispatched on Monday.
Most orders are delivered by Royal Mail using a Tracked 24 service. Oversized packages such as skis, ski poles and large tents will be delivered by DHL or Parcelforce with a delivery timescale of 2-5 days.
Delivery Charges To UK Mainland (including Highlands and Islands):
£4.95 (Orders Between £0.00 - £44.99)
FREE (Orders £45.00 & Over)
Most orders are delivered during office hours. Higher value orders may require a signature. To help ensure you receive your delivery quickly and safely, at our website checkout, you can provide an alternative address or a safeplace for the delivery to be left if no one will be home to receive the parcel.
Returns
If you are not entirely satisfied with your purchase, you may return it for a refund or exchange within 28 days of the dispatch date provided that the goods are in a new and unused condition, with the original labels still intact.
For more information on our Delivery & Returns Policy, including delivery to Northern Ireland, Channel Islands and BFPO, as well as European and International deliveries - please see our Delivery & Returns page.
Click & Collect
Free Click and Collect is available for all products on our website. At checkout, select Click and Collect as your delivery option. Then, choose the Craigdon Aberdeen store to collect your order from. You will receive an email to confirm your order. You will get a second message when your order is ready to collect. Items in stock at your chosen store should be available within 24 hours of ordering. If we need to take items from another store or warehouse, it will take between 1 and 3 working days before they are available to collect.
