Featuring 4mm 3M™ Thinsulate™ insulation and a waterproof membrane

the outsole is "siped" for technical multi-surface traction and it features a climbing style wrapped toe for added function and durability

and moisture buildup

With zero drop and Altra’s signature FootShape fit

All materials are carefully selected and all natural with wool

Slip-on with natural rubber sole - honey - Chestnut yellow Featuring 4mm 3M™ Thinsulate™ insulationOur slip ons are made of 100% pure, natural wool in the classic colour Chestnut with a sole of natural rubber. We started making slippers over 30 years ago in fact, our founder Nanny Glerup made the first pair of slippers as a declaration of love to her husband Ove. All slippers are produced in our own factory and in our special glerups wool mix, which makes the slippers itch free and durable. The slippers are designed and produced with respect for