Immersion Research Thick Skin Pant - Men's - $49.95

Cold rivers call for warm layering like the Immersion Research Men's Thick Skin Pant. Double-sided fleece and flat seams make this heavyweight baselayer extra warm and comfy. Pair these pants with the Thick Skin top (sold separately) and you'll be charging through frigid hydraulics in toasty-warm style in no time. - $49.95