An awesome summer hiking short, the Men's Gi II Shorts from Patagonia are a lightweight, durable bottom for logging serious miles on the trail. The Men's Gi II Shorts are constructed of quick dry nylon, which provide UPF 40 sun protection. Other details that Patagonia has included are a built in webbing belt for quick adjustments, a zp fly, hand pockets, and a gusseted crotch for uninhibited mobility.