Simms Men's Guide BOA Vibram Wading Boots - The key to powering through the obstacles of a river system is great footing. The rugged, responsive Guide boot stacks agility and stability in your favor with maximum Vibram traction and an exacting BOA-lacing system fit. BOA Fit System to dial into fast, effortless, precision fit Full TPU coated upper for durability Rubber toe and heel overlays for added protection Full closed-cell neoprene foam lining Pull-on loops for easy on and off TPU outsole plate for stud and cleat retention Vibram outsole Style: PG-13509