Keen Circadia Waterproof Boot - Men's Breaker thanks to the AIRFIT headband

thanks to the AIRFIT headband (Petzl patent):

while light cushioning along the entire bottom of the foot paired with a crew height helps you get there on the most rugged trails and in any hiking shoe/boot

precision fit with on-the-fly adjustability

Our award-winning Ultra-Sil Day Pack is a minimalist backpack that has incredible strength-to-weight performance and packs down to the size of a tennis ball

Virtually Seamless™ Toe: Smoothed out toe seams for ultimate in-shoe fit and comfort

Keen Circadia Waterproof Boot - Men's Breaker thanks to the AIRFIT headbandWhatever winter hiking looks like for you, warmth, comfort, protection, and traction are non negotiable must haves. So we built an insulated, waterproof, grippy hiker that checks all the boxes. All hike. No compromises. Warm and Dry: 200g of KEEN. WARM insulation rated to 25F and a KEEN. DRY waterproof, breathable membrane keep your feet toasty and dry. Better Leather: Environmentally preferred leather upper is lighter on the planet. Lightweight