Darn Tough Men's Spey Fly Crew Lightweight Size:M Prizm™ Lens Technology provides the

Prizm™ Lens Technology provides the details

comfort sweep

GORE-TEX Waterproof/Breathable Insert

improves abrasion resistance and is Swiss made

Darn Tough Men's Spey Fly Crew Lightweight Size:M Prizm™ Lens Technology provides thexPaying homage to a classic fly fishing technique, the Spey Fly sock takes its name from Scotlands River Spey and inspiration from our own fly fishing guru and Mill patriarch, Marc Cabot. Hes the real deal. This lightweight lifestyle sock is too. It features terry loops knit under foot for cozy cushioning and our signature Merino Wool durable construction. While you may never reel in stream dolphins like Marc does, you can sport the same socks.