Lightweight, uninsulated construction with 4-way stretch breathable materials. Wind and water resistant material with DWR (durable water resistant outer surface treatment repels moisture. Performance patterned design. Precurved, articulated knee panels. Articulated seat with action back panel. Durable Keveltec™ & Airdura™ reinforced materials in seat and instep. Adjustable waist panel. Zippered thigh vents. Zippered hand pockets.