La Sportiva Men's Synthesis Mid GTX 100% gore-tex LIGHTWEIGHT TRAIL SHOE - La Sportiva's Synthesis Mid GTX is a mid-height, versatile hiking shoe designed for moving fast on all types of terrain; Durable, ultralight materials minimize fatigue during long hikes and runs GORE-TEX PROTECTION - Waterproof, breathable Gore-Tex Surround technology keeps your feet dry during extended day hikes or overnight backpacking trips no matter the weather BREATHABLE - Ultralight moisture-wicking AirMesh fabrics with Nano-Cell technology keep your feet cool on hot days, control moisture, and prevent blisters STABILITY & CONTROL - Vibram Nano sole with Impact Brake System provides excellent traction and stability on steep descents; Confidently navigate rocks, roots, and other obstacles with the reinforced compression-molded EVA / TPU inserts ANKLE SUPPORT - STB Technology stabilizes the foot by wrapping and unifying the midsole with the upper; Adjustable bungee pull cord lacing system stays put and offers a more secure fit than traditional lace-up shoes