Felt outsole with recessed stud insert points for maximum traction in moving water, on slick rocks, and muddy river banks Steel wading studs are included with the Stonefly felt wading shoe which can be worn with or without the studs Reinforced Rock Jam toe cap combined with the stiff midsole give this wading boot lasting protection Reinforced heel pull for easy on and off, Padded collar for a comfortable fit, and gravel guard D-ring attachment point for a secure fit Designed to be worn with stockingfoot wader booties so there is no need to go up in size