Made for endurance, comfort, and maximum in-river stability; with the exacting adjustability of the BOA fit system, the G3 Guide BOA Boot - Felt is the grippy standard worn by far-ranging guides and anglers who live to get it done. FeaturesBOA Fit System with an improved M4 dialBuilt with a traditional work-boot construction that utilizes a Goodyear welt for comfort, stability and durabilityDurable and high abrasion resistant leather, synthetic woven, and rubber upper materialsDrain holes to prevent water poolingSimms 10mm felt outsoleThe outsole is compatible with Simms Alumibite Star Cleats and Hardbite cleats/studs