Name: Life Vest Material: 10% nylon + 90% neoprene + EPE high-density foam. Colors: As pictues Gender: Men, women Size: L, XL, 2XL, 3XL, 4XL Straddle function: Ensure that the life jacket will not leave the body due to buoyancy in the water. Fields of use: sea fishing, swimming, rafting, back-, surfing, boating, rock fishing, skis, flood fighting, etc.