Waterproof Waterproof membrane bootie construction Waterproof leather Non-wicking materials A premium upper of rich, supple leather for a luxe look and feel, Quick-dry webbing made from recycled plastic using traceable, verifiable REPREVE polyester yarn by Unifi supports your foot and stands up to abuse, 40% recycled polyester mesh upper GORE-TEX bootie that is designed to seal out water, providing waterproof and breathable protection from the elements Laces, Low profile universal heel lock system for a secure and supportive fit A responsive PU footbed cushions your foot and puts a spring in your step EVA-foam midsole for lightweight cushioning, ESS shank for all-day support, TPU shank stabilizes and supports your foot on uneven terrain VIBRAM Mega Grip outsole has the optimal balance of durability and sticky traction for wet and dry surfaces Treated with Life Natural, a peppermint-based anti odor treatment Sustainability Initiative(s): Leather sourced from tanneries certified by Leather Working Group, whose mission is to promote sustainable and appropriate environmental business practices within the leather industry, Webbing made from recycled plastic using traceable, verifiable REPREVE polyester yarn by Unifi, Recycled polyester Best for: day hikes, light hikes, multi-day hikes RN 88276 .