Altra Men's Superior 4.5 Trail Running Shoe size-medium ||These boots fit perfectly with

||These boots fit perfectly with no heel rubbing or top-of-foot tightness

waterproof comfort sole

5mm CR Flex-foam

YKK ® zippers

and a composite shank provides added durability and arch support

Altra Men's Superior 4.5 Trail Running Shoe size-medium ||These boots fit perfectly withImproved upper with improved lacing easier to snug and it fits like a glove, the seam construction around the toe is cleaned up. This is a shoe you can trust on any trail! See Altra's sizing chart. FEATURES: Style: AL0A4VQB Weight: 8. 9 oz 252 g Insole: 6 mm Contour Footbed with removable StoneGuard Midsole: Quantic with InnerFlex Outsole: MaxTrac Rubber with TrailClaw Cushion: Low Stack Height: 21 mm Upper: Seamless wrap around engineered knit