evo.com | XCEL Rashguards > Keep sunburns and irritating rashes at bay with the XCEL Drylock Smart Fiber Long Sleeve Top. Made from an advanced Smart Fiber material that's designed to recycle your body heat by way of infrared energy, this second-skin of a rashguard is cozier than it might appear. Pull it on and paddle out! Mineral-Enhanced Smart Fibers Recycle your body heat into infrared energy. Smart Fiber 4-Way Stretch XCEL's most advanced rashguard material combines Smart Fiber technology with all the benefits of a premium 6oz 4-way stretch material. Flatlock Seams Durable, comfortable 7 thread seam construction lies flat and smooth against your skin. Engineered Design Fits like a second skin. | XCEL Drylock Smart Fiber Long Sleeve Top - X-Large in Black