The Rassler 2.0 is an exceptionally grippy and rugged, yet lightweight boot that dries fast and drains quick. The sole is redesigned for improved durability. The mid-cut upper provides extra protection and support. Astral's best choice for hard-core river users. Technical Details Uppers: Hydrophobic, Quick-Dry Canvas with Airmesh tongue, TPU reinforcements at Toe and heel with internal counters, built-in Polygiene-treated sockliner.Midsole: Level heel to ball, medium arch, roomy toebox, made from EVAOutsole: G.ss™ rubber, high surface-contact, razor-siped, and non-marking.Foot to Ground Distance: 17mm heel, 16mm ballFit: True to size (Up to D width)Balanced Geometry: Places heel and ball at same level for balance and agility in extreme places.Enhanced Support: Padded ankle and internal heel counters provide increased support during long walks in rugged terrain.Super Sticky: G.ss non-marking rubber with high surface contact - for excellent traction in gorges.Protection: TPU reinforcement outside / rigid toe-counter inside.Quick Dry and Drain: Uppers dry fast and midsoles drain excess water.