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. Features 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. Specs 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 EVA Outsole: G.ss rubber, high surface-contact, razor-siped, and non-marking. Foot to Ground Distance: 17mm heel, 16mm ball Fit: True to size (Up to D width)