blueseventy Core Short - Neoprene Wetsuit Simulation Triathlon Training Buoyancy Shorts EXCELLENT FRONTAL BUOYANCY - the CORE SHORT provides excellent frontal buoyancy due to thick Aerodome rubber. IMMEDIATE FEEDBACK - Bright orange graphics on the front and back provide immediate feedback of hip rotation to a coach on deck. IMPROVED SWIMMING - It provides improved swimming in all four strokes while allowing natural kick, hip rotation and turning UNISEX FIT - Features drawstring waist closure for a secure fit for both men and women SIZING - Sizing is based on Waist Size: XS = 28 , S = 30 , M = 32, L = 34 , XL = 36" Improved, more realistic water position compared to a buoy. Freedom to focus on kick and leg position. Unisex Comfortable and durable. Core Shorts do a great job of keeping hips 
 high in the water Tight enough that it doesn&#039;t gape open or fill with water when swimming Core shorts are comfortably warm which helps  in the lake for open water swimming and also helps on pool practice days