WATERPROOF, BREATHABLE PROTECTION WITHOUT EXCESS BULK OR STIFFNESS. The Xnetic H2O shoe cover brings waterproof performance, seamless construction, and breathable fibers together for the highest level of flexibility available. The unique three-layer composition fuses our RainGuard membrane between a durable nylon outer shell and hypoallergenic liner, for use in wet weather and temperatures that dip towards freezing.