TSLA Men's Thermal Wintergear Compression Baselayer V Neck Sleeveless YUV35 / V35 Winter gear : YUV35 : Thermal Shirt designed for warmth (Fleece lining). Order usual size ( Extreme Compression Fit) if you prefer a looser fit please choose 1 size up Perfect option during various indoor activities and outdoor excursion. Moisture Sensing/Quick time Dry/TWO-WAY Air Circulation. Non abrasion fabric material with excellent elasticity and durability