R1 Pant Cold weather fly fishing 101: you want the fish to bite, not the cold. So do yourself a favor and layer with the Patagonia Men's R1 Pant. Constructed using the moisture-wicking and quick-drying RI fabric, these lightweight britches provide just the right amount of warmth, so you don't scare away the fishies with your uncontrollable shivers.

Product Details:

• A lightweight baselayer to wear underneath your waders
• Doubles as lounge pant on your off days
• Designed specifically for cold-weather fly fishing
• Fully adjustable tie waist band with elastic
• Two hand pockets keep necessities close by

Responsible Collection consisting of Bluesign Approved, Certified B-Corp, and Recycled/Repurposed Material. Made from 93% polyester (41% recycled) and 7% elastane. Features a midweight insulation weight and a relaxed fit. Includes 2 hand pockets. Weighs approximately 12oz. Comes with a lifetime manufacturer warranty.