Train you hardest in the Ladies Tank Powered by Coolcore from Holloway. This ladies' fit tank features moisture wicking, 88% polyester/12% elastane Coolcore fabric with color secure technology and 92% polyester knitted mesh/8% elastane wicking knit inserts with Coolcore fabric technology. Coolcore fabricis engineered to distribute moisture quickly throughout the garment. As the moisture spreads it dries faster and keeps you cool and comfortable.