DeFeet UnDWool is the ideal performance baselayer for cycling, running, outdoor pursuits and every day use. Wearing UnDWool against the skin provides comfort through a wide range of temperatures, weather conditions and intensity levels.

UnDWool has low crimp superfine Merino fibers that are amazingly soft and comfortable, not 'nervy' like some wools. UnDWool is 100% natural, a renewable and sustainable fiber. One piece raglan sleeves eliminate shoulder seams for extra comfort and range of motion. Worn on its own or as a baselayer, UnDWool offers durability, comfort, moisture control, odor resistance, and body temperature regulation without excess weight.