We redesigned the Tri Force shell to perfectly pair with the BOA® Fit System to maximize the transmission of energy for unrivaled power

The strap is infinitely adjustable and comes free when pulled upwards in the event of a fall

a slightly reshaped fit and a longer body length offers easier layering

sharp file

Arc'teryx Sunna Crew SS W Size:S We redesigned the Tri ForceHigh mileage isn't just your route plan, it's how much you'll wear this technical tee Built for strenuous hikes above treeline, the stretchy, UPF 50+ fabric protects your skin when you're exposed on alpine ridges and moves moisture away from the body on steep scrambles and traverses A pack compatible length means no danger of a sunburned back at the end of the day. Lightweight fabric with four way stretch is super breathable and has excellent moisture