The Under Armour Women's Expanse Low Waterproof Trail Running Shoes deliver lightweight trail performance with waterproof protection, abrasion resistance, and stable underfoot support. The composite ripstop upper and auxetic tongue help balance durability and comfort, while the waterproof membrane helps manage wet conditions. A molded Contoura footbed, ESS rock plate, Charged Cushioning midsole, and high-traction rubber outsole round out a shoe made for rugged terrain and active outdoor use.