This is the jacket to pack for a progressive riding day due to its slick combo of seriously stretchy neoprene, dual layer construction and featherweight foam. Charge hard in the TrueFit internal liner that ensures no movement for a consistent ride all day long. A magnetic-closure zipper flap borrows more from the slopes than the river, while the oversized phone pocket allows you to keep your phone on you, safe and dry. Construction Features – Follow ninja flex panels. 2x2mm super stretch movement panels chest and back.– Dual layer neoprene construction.– Constructed with seriously stretchy & soft neoprene.– Feather weight foam, the softest and lightest we can find. WARNING -THESE VESTS ARE FOR COMPETITION WATERSKIING AND WAKEBOARDING. THEY ARE NOT APPROVED BY THE U.S. COAST GUARD. THESE ARE WAKE AND WATERSKI WETSUIT GARMENTS.