The Excursion TR11 is engineered for the trail. It features outsole lugs for great traction and underfoot protection, heel GRID system for long lasting cushioning and XT-600 carbon rubber outsole for traction and durability. Its updated knit mesh design keeps out debris while being comfortable and wearable for long days.OVERVIEW? Successor to the Excursion TR10? Outsole lugs provide great traction and underfoot protection? Heel GRID system provides long lasting cushioning? XT-600 carbon rubber outsoleSPECS? Shoe Category: Trail? Pronation: Neutral? Cushion: Plush? Construction Type: Neutral? Surface: Trail? Arch: High, Normal (Mid)? Water Resistant: No? Waterproof: No? Offset: 8mm? Heel Stack Height: 29mm? Forefoot Stack Height: 17mm? Weight: 278 g.