inchDe-lamination, inch it's called. That's when the upper part of a boot starts to split from the outsole. And, odds are, that's why you throw away about 90% of the shoes and boots you buy. Thankfully, the Keen Targhee IV features KEEN.FUSION construction, which fuses the upper to the outsole without the use of glue or adhesive, so they stick together as a unit better and longer than ever before. In fact, they're actually guaranteed to NEVER de-laminate for the life of the Boot. KEENs are already famously durable, and these take that reputation to a whole new level. Factor in the KEEN.Dry 100% waterproof, breathable membrane, KEEN.RUGGED outsole that's twice as abrasion-resistant as regular rubber, and an air-injected midsole that stays springya |and you have one of the best, most well-rounded Hikers on the planet. KEEN.Dry waterproof/breathable membrane keeps water out while allowing sweat to escape Premium nubuck leather upper Padded tongue and collar for enhanced comfort Moisture-wicking mesh lining Removable air-injected Luftcell insole Air-injected Luftcell midsole feels springy and resists compression KEEN.RUGGED outsole is twice as abrasion-resistant as rubber Multi-directional lug pattern provides superior traction Heel-capture system for added stability KEEN.FUSION construction fuses the upper to the sole without glue for a longer-lasting bond Stability shank provides torsional rigidity Order today!