neoprene, soft velvet like material outside wetsuit like material inside full coverage material- no embarrassing creasing in bottoms, or chilly day imprinting on top the top fits me awesome - 32DD my measurements are 37-25-37 the bottoms sit on the hip bones bottoms are cheeky, mid coverage top is Small (tag was removed) the bottoms are XXS modern size 0 or 00 sizing. very flattering low rise fit. I wore top only once. I never wore bottoms I just have so many bikinis that I need to let some go lucky you. very sexy . made very well. good for beach or pool sports please bundle with more items from my closet to save on shipping. I offer good discounts on multiple item bundles. posh ambassador II fast shipper smoke free home top rated seller use code Tr3ndykay to get $10 off your first Poshmark order from ANY closet