Staheekum Slip On Moccasins and Staheekum Slip-On Driving Moccasins. Men's 988 classic sheepskin-lined slip-on mocassins by Staheekum. Genuine Sheepskin lined slip-on moccasin with natural suede on the outside. The sheepskin men's slip-on driving moccassin comes with a flexible non-slip rubber sole for wear both inside and outside. Heel has small lip to keep foot secure to sole.