The Arc'teryx Men's Aptin Shorts are lightweight, durable and comfortable with cross-functional versatility. The Fortius™ DW 1.0 double weave fabric delivers performance four-way stretch and has a DWR finish to help shed moisture. Articulation and a gusseted crotch improve mobility and ease of stride, the 10.5" inseam provides extended coverage, and laminated hems minimize irritation. The Arc'teryx Men's Aptin Shorts are the performance you need on long summer runs.