Hook and Eye closure Material:88% polyester+12% lycra Asia Size,Run smaller than US size. Not suitable for big breast cup a DD,E cup. Adjustable support band in the back, like a normal bra with 3 sets of clasps,Velcro adjustable shoulder straps allow adjust the cups size.Fashion workout/gym/fitness women clothes;Popular crop top design with internal cup-sized support. Shaped, padded and push up for extra support. Moisture-wicking, breathable, high performance fabrics Anti slide Zipper protect from sliding down when doing exercise. Attention: the zipper puller in flat down posision will be locked. when pulling up or down please get the puller in the middle or up position,Front fastening also with Zipper protect device against friction and your Skin are well protected,Moving comfort and support all day. This compression bra with updated fit and Dri-FIT fabrication. Revised body shape for improved support. Exterior bonded seams on front strap and side. The perfect bra for every activity and motion with its compression fit, which provides excellent support. Every detail is carefully considered, including the flat and clean finished seams.