Arcteryx Men's Acrux FL GTX Approach Shoe - in stock now. FEATURES of the Arcteryx Men's Acrux FL GTX Approach Shoe Designed for technical approaches and day hikes with the durability and adaptive fit GORE-TEX liner to make every venture comfortable and well supported The GORE-TEX liner uses minimal seams and adhesive to secure the membrane, which in doing so maximizes its waterproof and breathable surface area Keeping the science of the foot in mind these were constructed with durability, breathability, and efficiency for safe traveling in even the harshest of environments The interior liner is separate, which provides an adaptive fit that allows for incredible breathability and weather protection The waterproof and breathable membrane extends to the full height of the separately constructed liner which delivers the best in climate control and waterproof-ness. Sorry I just made that word up. The liner is made from a stretch nylon mono-mesh that will not conform or absorb moisture Not to keep bragging about the liner, but the liner does not have a tongue, which reduces the build up of heat and pressure on the top of your foot to keep you comfortable The upper features a non-woven Durable Water Repellent Finish (DWR) microfiber, PU coated nylon yarn, and high abrasion TPU film for the utmost in maintaining air permeability, abrasion resistance, and moisture dispersion. So great. The outer shell is durable while the inner liner is comfortable, the separation of the two providing awesome quick-drying support The midsole cushions and supports while also providing superb flexibility, shock absorption, stability, and traction thanks to the injected EVA foam The seamless one piece upper protects the EVA midsole by sealing it away from punctures, exposure, and pesky abrasion Strategically shaped for stability, traction, and enhanced breaking with the smooth rounded heel strike Custom moulded rubber toe and heel caps prevent the toe from collapsing over time and adds protection to the exposed areas of the upper midsole The sole is Vibram Approach with Megagrip compound, which features lateral durability and anti-slip lugs, sharp heel brake and mountaineering heel brake for superior traction and braking Front and rear pull loops to allow you to put shoe/boot on more easily Integrated lace hole reinforcements for enhanced durability Technical alpine approach footwear for multiple days spent in variable weather and terrain in.Yin. Groove split heel technology for improved braking Custom patterned Vibram outsoles Vibram MegaGrip rubber compound is durable and grippy Spherical heel shape for improved braking and smooth stride Custom developed 3D moulded Ortholite footbed delivers maximum comfort, breathability and arch support Traction grooves on outer edges of outsole Sharp heel brake and mountaineering heel tread for stability, traction and braking Smearing grip insert, with lateral durability lugs RockGrip with anti-slip lugs Highly durable EVA foam midsole absorbs shock while providing precision stability Laminated heel and toe caps secure fit and and deliver precision support Seamless one piece upper with thermolaminated construction is highly abrasion resistant, durable, light and hydrophobic Hydrophobic material Tongue free liner ensures a larger breathable surface area and increased waterproof coverage Low height, light weight liner for quick-dry summer comfort Arcteryx adaptive fit utilizes an independent liner that conforms to the foot for a custom fit with no pressure points