Simms Thermal 1/4 Zip Top sinking unidirectional layups and lead to

unidirectional layups and lead to failure

Unique O-ring and thread keeper grip

but with an extended rear taper for better mending ability and more line control

Multiple D-rings and docking stations keep equipment close at hand

doesn’t absorb water

Simms Thermal 1/4 Zip Top sinking unidirectional layups and lead toSimms warmest layer for cold days, the Thermal 1 4 Zip Top adds warmth on its own, or layer it under your favorite jacket to dial in reliable comfort. A grid fleece interior traps heat next to skin without adding bulk or limiting range of motion, and a smooth exterior makes for seamless layering. Smooth faced grid fleece layers perfectly with our baselayers to provide maximum warmth High collar with a quarter length zipper allows for venting and easy