The comfort levels of this Rocket slipper from Foamtrends are completely out of this world. Super soft and cuddly wool blend upper with a vulcanized construction which makes these slippers lightweight, flexible, and comfortable. Strap closure for easy on/off. Rubber indoor and outdoor sole. Cushioned footbed for all day comfort. With its natural wool upper, super-soft linings, and padded insole, they'll never want to take it off--but try as they might, when it finally does come off, the Velcro vamp strap will make it ultra-easy. Plus, with the treaded rubber outsole, this slipper is ideal for outdoor wear as well.