The warmer the boot is, the heavier it has to be, right? Wrong. The super-light Men's Sorel Avalanche Trail Snow Boots proves that you dont have to sacrifice warmth for lightweight comfort. Ideal for long, cold days in the snow (think hunting, trekking, ice fishing), its constructed with a waterproof leather upper and lightweight Techlite shell to protect you from the elements without weighing you down. Inside, 200 grams of Thinsulate insulation earn it a rating of -25 below zero so you can stay out longerand go farthereven on the most frigid of days.