A great base layer, ideal under a drytop or paddling jacket. Or use as an insulating rash guard. Complete your thermal layering system with the NRS WaveLite line of mid-weight garments. Comfortable 10-oz. polyester-Spandex blend stays extremely warm while stretching to accommodate your movements. Dries quickly so that it's ready for the next day's adventure. Wear it as a single layer, over a rash guard or under another layer. When you need extra warmth without adding bulk, WaveLite's the answer.