Simms ColdWeather Shirt
But Simms takes this hardworking mainstay into the 21st, with the boosted warmth of waffle-lined micro-fleece internals. ColdWeather LS features include quick-dry performance, potent UPF 50 sun protection, and chafe-free, off-shoulder seaming for added comfort. Stash gear in two super-sized, top-close chest pockets. And stay effortlessly stylish in these ultrawarm, brushed-flannel performance plaids.