Mens Classic Endurance Plus Aquashort from Speedo. Tight fitting swim short, ideal for swim training and regular pool use. Endurance Plus: Chlorine resistant - no fabric degredation Improved elasticity and colour durability - 20 times more colour resistant than conventional elastane swimwear Lower level of moisture absorption - quick drying Improved comfort with a softer feel and superior shape retention Improved snagging resistance Exclusive to Speedo