Billabong Wetsuits - Billabong Furnace Sleeveless Thermal Rashvest - Black :: Men > Rash Vests. Men's rash vestCrew neckIdeal for wearing under a wetsuitSnug fits seals out the water but seals in the warmthSleeveless designMaterials: Lycra. PolypropyleneLogo on the centre of the chest and on the backComfortable next to the skinReliable. durable materialDrawstring at the waistLycra fabric on the sidesPolypropylene fleece-lined Size: X-Large,Medium,Small.