Lightweight and technical design with adaptive weather protection and 4-way stretch.Ultra-Weave is extremely lightweight, durable and fully Stretchable. The distinguished high ankle ribbing provides a secure fit that stays in place all day. Storage includes two expanded cargo pockets, two front pockets, and a shirt loop.

Model is 5'11 170lbs and usually wears size M. This product fits true to size so he is wearing size M for a standard fit