Men's rash vesy; Short sleeves; Part of O'Neill's Hyperfreak Series; Features the all new TechnoButter skins; Technobutter Skins is an exclusive 60z Nylon/ Spandex mix; The Tehcnobutter Series is even less water absorbent and has better quick-dry abilities than O'Neill's Skins series; Protection from the sun's rays with UPF 40+ protection; Lightweight construction; Water resistant; Small O'Neill logo to chest; Straight hem; O'Neill label to side seam; Materials: Nylon, spandex; :: Men > Rash Vests Size: Small,Medium,Large,X-Large.