The Trespass Men’s and Women’s Unify Base Layer Top is a thin yet warm winter wear. The medium-weight waffle fabric of this base layer top ensures optimum cold weather comfort. This lightweight winter garment can be worn under a shirt T-shirt or a jacket without any discomfort. The reinforced as well as seamless seam fusion ensure a perfect fit., Supersoft Medium Weight Waffle Fabric., Reinforced Seams., Coverstitch Seams., Seamless Outside Leg., Easy Care.