Inspired by our beloved Muckster collection, Muck Boot® Big Kids' Muckster Lite Clog is 50% lighter, offers independently verified SRC rated slip-resistant traction and provides excellent support and comfort for all-day wear. It is built from a high-performance, lightweight foam called Bio Lite which is ultra-durable and easy to clean. The upper features side ventilation holes for breathability and drainage for water and debris. The entire clog is constructed from Bio Lite which is eco-friendlier than many other injection molded foams in the market. Bio Lite has been granted a Green Leaf certificate by Intertek, an accredited independent 3rd party testing facility, verifying that this product will properly biodegrade in bioreactor landfills. 100% water-friendly, 100% KIDPROOF Lightweight and easy to slip on/off One piece EVA Textured insole for comfort, grip and support Breathable side ports for water drainage and comfort Commercial landfill validated utilizing the ASTM D5511-18 test method Biodegradable - up to 3 years in accommodating environment ISO 15985 SRC rated for excellent multi-surface traction ASTM D5511-18 / ISO 15985-14 Product Features: Outsole:Non-slip, non-marking Rubber traction Main Material:EVA (Ethyl Vinyl Acetate) Cushioned Foam Muck Boot Big Kids' Mossy Oak Country DNA Muckster Lite EVA Clog