Arc'teryx Men's Ossa 1/2 Zip Hoody

Half-zip hiking jacket with StormHood™ and UPF 50+ material for sun protection.

Breathable material

Allows moisture vapour to escape, helping regulate temperature and elevating comfort inside garment.

UPF rating (sun protection)

A textile that provides protection from exposure to ultraviolet radiation. Use in sun or on snow.

Fair Trade Certified™

Produced in a Fair Trade Certified facility. Building worker well-being into our product DNA.

Description

Feel fast and light in the Ossa 1/2 Zip Hoody. Built for summer hikes and high-exposure days, its athlete-inspired silhouette minimizes bulk without compromising on coverage. Breathable, UPF 50+ stretch nylon feels cool and light on your skin, while the integrated StormHood shields your head and neck. When temperatures peak, the half-zip allows for easy venting—no need to shed layers mid-hike.

Features & Specs

Technical features

• Breathable
• Lightweight
• Packable

Construction

• UPF 50+ nylon stretch ripstop for excellent sun protection on high-exposure hikes

Design & Fit

• Clean, minimalist design
• Garment Centre Back Length: Size M is 28"/71cm - Varies by size

Hood configuration

• StormHood™

Pocket configuration

• Stows away in its own pocket

Sustainability

• Contains materials produced through processes that meet bluesign® criteria
• Recycled content
• PFAS (Per- and polyfluoroalkyl substances) Compliant

UPF rating

• UPF 50+, EN 13758-2, AS4399:2020, GB/T 18830-2009. Only covered areas are protected. Protection may be reduced with use or if stretched or wet.

Zippers & Fly configuration

• Chest half zip

Size XS, S, M, L, XL, XXL

Weight 135g / 4.8 oz

Fit Regular

Sizing chart

Men's
Our size guide provides a general idea of how your body measurements correspond to our garments, however it does not fully reflect each item's unique specifications. Each piece is designed with specific fits tailored to the intended activity, taking into account ergonomics, comfort, layering systems, and optimizing the performance of fabric technologies.

Jacket/shirt sizing chart

Your body measurements in centimetres

Size	Sleeve	Chest	Waist	Hip
XXS	78	84	69	83
XS	81	89	74	88
S	83	94	79	93
M	86	102	86	100
L	89	109	94	108
XL	91	119	104	118
XXL	94	129	114	128
XXXL	96	139	124	138

NOTE: Men's fit has been updated with a revised fit. Medium size remains unchanged. Smaller sizes are now tighter and larger sizes are now looser. If your measurements are between sizes, select a larger size for a looser fit or a smaller size for a tighter fit.

Activity Hike

Model X000010275

Manufacturing facility Youngone (CEPZ) LTD, Bangladesh

Fit & Sizing

Fit: Regular

Our classic fit is cut comfortably throughout the chest, waist, hip, and thigh. It allows freedom of movement, provides shape, and layers comfortably over or under our layers.

Materials & Care

Materials

• Body: 30d Recycled Nylon stretch ripstop, 62gsm, FC0 DWR - 87% Nylon, 13% Elastane
• Origin of fabric: CHINA
• Origin of dyeing: CHINA
• Origin of Manufacture: BANGLADESH
• May release plastic microfibres into the environment when washing

Care

• Machine wash gentle low
• Tumble dry normal low
• Do not bleach
• Wash dark colours separately
• Do not dry clean
• Iron low
• Do not use fabric softener
• Remove immediately

Arc'teryx Layering Guide

Style No. X000010275