This vest is crafted from waterproof, wear-resistant polyester with a breathable mesh lining. It includes a 2L BPA- and PVC-free hydration bladder with a high-flow bite valve. It features a multi-pocket design with an insulated water bladder compartment and a rear helmet buckle. Price drops from $39.99 to $19.99. Shipping is free for Prime members or on orders over $35.