Product Description Made with 50% recycled materials. Polartec patented grid construction knit strengthens performance efficiency by increasing warmth and breathability, while also reducing fabric mass. These geometric patterns improve compressibility, wicking, and add technical style. By reinventing thermal warmth possibilities, Power Grid(TM) is a minimalist design that maximizes fabric performanceMakes the perfect base layer for any drysuit system and is excellent for other outdoor activities too. Men&';s Sizes: S, M, L, XL, XXL FEATURES: Designed to be worn as a base layer under your primary divewear or can be worn alone in tropical climates. Highly breathable, dries quickly, SPF protection. Made with USA made Polartec PowerGrid Bi-Component Knit Versatile Warmth Moisture wicking Efficient Performance Highly Breathable Lightweight 50% Recycled P.E.T. Plastic