Deep See Elastain Fin Socks, BlackDeep See Lycra Fin SocksFeatures of Deep See Elastain Fin Socks, Black Soft and stretchy premium quality Lycra | Lightweight, seamless knit sock designed for use with full foot or open heel fins | One size fits all | The Package Weight Of The Product Is 1 PoundsSpecification of Deep See Elastain Fin Socks, BlackPro..