Made for endurance, comfort, and maximum in-river stability; with the exacting adjustability of the BOA® fit system, the G3 Guide™ BOA Boot – Vibram® is the grippy standard worn by far-ranging guides and anglers who live to get it done. BOA® Fit System with an improved M4 dial Durable and high abrasion-resistant leather, synthetic woven, and rubber upper materials Built with a traditional work-boot construction that utilizes a Goodyear welt for comfort, stability and durability Drain holes to prevent water pooling Vibram® Idrogrip with Traction Lug outsole optimizes stability while walking and wading in water The outsole is compatible with Simms Alumibite Star Cleats and Hardbite cleats/studs Re-soling available Item #: PG-14153