Altra Men's Olympus 5 Mid GTX Boots

Signature Footshape allows feet to sit naturally
Vibram Megagrip provides unparalleled grip on wet and dry surfaces
Trailclaw canted lugs provide added traction underfoot
Balanced Cushioning platform encourages better alignment and form
Gore-Tex makes shoes waterproof, windproof, and breathable
Innerflex grooves provide flexibility and movement

Specs

Upper:   GORE-TEX
Midsole:   Compression Molded EVA
Outsole:   Vibram Megagrip
Cushion:   Max