Birkenstock | Shoes | Birkenstock Andermatt Wool Felt House 。Birkenstock Andermatt bootie slippers shoes mens Size 11 gray wool blend. Condition: New without box – soles and footbeds are unworn and clean with only minimal lint from storage. Brand: Birkenstock. Style: Andermatt ankle-height house slipper booties with cozy wool-blend felt uppers. Color: Dark gray upper with matching dark outsole and soft light cream interior lining. Size on tag: Mens US 11, EU 44 (tagged 44 / 285). Materials: Textile upper 70% wool / 30% polyester; plush fabric lining and cushioned insole; flat under-1-inch textured synthetic outsole for indoor wear. Country of origin: Made in Germany. Details: Pull-on design with split front opening, rear heel pull tabs joined by factory plastic connector, subtle round Birkenstock logo badge at outer side, and Birkenstock wordmark at the heel. Designed as warm, comfortable indoor slippers or house shoes with a simple solid-color look.