2in1 crossfit vest and waist trainer for men Materials and fit Made of neoprene and polyester; breathable, adjustable, and flexible to move with you Designed to fit men of all shapes and sizes; comfortable form fit and shoulder support Key benefits Ready for sauna sweat: wearing before your workout helps shed extra water weight and retain body heat to burn more calories; also keeps you warm on cold days Easy to put on and off: upgraded neoprene body shaper with zipper for quick wear and removal Contours to your body: provides comfortable compression and helps keep shoulders straight Targeted core support: full vest model focuses on the core abdominal area; outer adjustable belt increases thermogenic energy and helps flatten the abdomen to promote more intense sweating and faster fat loss Practical use scenarios Before or during workouts (gym, running, basketball) to boost sweating and fat burning In cold environments or during warmups to maintain core warmth Worn under shirts or shapewear for everyday use while still allowing mobility Notes Suitable for all occasions and body types; effective for tummy control and posture improvement Easy to wear under various clothing and compatible with most active routines