Pushing through fast-paced, sun-drenched days on the open trail is no sweat in the Sunshield(TM) 1/2 Zip. This super-light, mobile shelter from the sun combines broad-spectrum UPF 50+ protection with HeiQ Mint(TM) anti-odor treatment for a go-to top that&&';;ll keep you feeling and smelling fresh in sweltering conditions. Sitting super-light on the skin, the stretchy, durable fabric construction offers unrestricted movement through high-effort sections, and packs down easily when not needed. This is your no-brainer layer for afternoons spent top roping on exposed faces, hikes on less-than-shady trails, and sunny weekends crossing rivers. Uses: Backpacking Broad Spectrum filters out harsh UVA and UVB rays UPF 50+ Recommended by The Skin Cancer Foundation HeiQ Mint(TM) plant based odor control technology Center front half zip for venting and easy pullover, featuring a lightweight auto-lock zipper Style is lightweight, packable into internal pocket at bottom left hem and features a loop you can attach to gear or hold on to Raglan sleeves for freedom of movement Finished with elastic binding at neck, cuffs, and hem MHW heat transfer logo at bottom left hem Fabric Body: 87% Nylon, 13% Elastane