Hikes, approaches, backcountry tours, a day at the crags – the exceptionally versatile Proton Crew gives you lightweight warmth, temperature regulating airflow, and freedom to move. Soft and comfortable, ultralight Octa® Loft insulation’s combination of warmth and breathability maintains thermal comfort. The air-permeable Fortius™ Air 50 outer is light, durable, and has performance stretch. A DWR treatment repels moisture. Midlayer or standalone – you’ll wear this for everything the mountain offers.

PROTON
Air permeable mid layer insulation with abrasion and weather resistant outer surface.

EVERYDAY
Technical outdoor functionality, comfort and durability brought to everyday designs.

SYNTHETIC INSULATION
Man-made insulation with quick dry times, durability and retains warmth when damp.

Technical Features
Breathable
Lightly insulated
Lightweight
Durable
Versatile

Construction
Four-way stretch textile
Octa® Loft breathable insulation provides thermal protection
Airy four-way stretch polyester fabric is soft, comfortable, wicks moisture

Cuff & Sleeves Configuration
Stretchy cuffs

Design & Fit
Layers easily under an outer shell

Fabric Treatment
FC0-DWR (Durable Water Repellent) finish repels moisture

Hem Configuration
Stretchy hem binding

Neckline Configuration
Crew neck

Pocket Configuration
Laminated chest pocket

Sustainability
Contains materials that meet the bluesign® criteria

Weight 305g / 10.8 oz
Fit Regular
Model Measurements
Height: 6'1"/185.4cm, Chest Width: 35"/88.9cm, Waist: 31"/78.7cm, Inseam: 31"/78.7cm
Wearing Size: Medium
Activity Alpine Climbing / Around Town / Ski/Snowboard
Model X000007253
Manufacturing Facility Youngone (CEPZ) LTD, Bangladesh

All measurements are in inches

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