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The Arc'teryx Sima Short-Sleeve Shirt is a lightweight, recycled polyester short-sleeve built for hot-weather hiking. Featuring UPF 50+ protection, a mesh back panel that keeps airflow moving, and chest pockets designed to stay accessible while wearing a pack. It's airy enough to not notice on a long climb, and packable enough to always bring along.
100% Recycled Polyester
Regular Fit – This 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 layers.
Articulated Patterning for Unrestricted Mobility
UPF 50+ Protection
Snap Front Placket
Two Side Entry Zippered Chest Pockets
Mesh Back Panel