Studded Felt Sole Features: When you need something with more bite than Plain Felt. Application: Ideal for extremely slippery aquatic environments where felt is an option. Traction: Same sole as Felt, only with 26 carbide tipped studs per pair. Ideal for extremely slippery wading environments where felt can be utilized. Fit: Match the sole size with your OmniTrax 3.0 boot for a perfect fit. Sole Sizing Information: Fishing soles come in whole sizes only and are unisex. The sole of your boot must match the size of your Korkers wading boot to function properly e.g. Men's Size 10 Boot = Size 10 Sole, Women's Size 10 Boot = Size 10 Sole. Boot sizing can be found on the inside tongue label or on the original Korkers boot box or sole box. Korkers OmniTrax v3.0 Studded Felt Soles