Combining strategically placed knit panels for breathability and stretch with high-tech, trail-tough performance, the RADIKL™ was built for action. Lightweight, and incredibly durable, the RADIKL™ features superior abrasion resistance and UV protection for extended outdoor adventure. A men's performance pant that feels as comfortable as a sweatpant while staying durable enough for anything mother nature throws your way. Enduro™ performance fabric provides year-round comfort with high abrasion resistance Lightweight Breathable Quick-drying UPF 50+ sun protection Inset stretch panels provide comfort and ease of movement Neither slim nor relaxed Slight taper in knee and leg opening Leg opening: 16 1/4” Cotton, Nylon, Spandex