Muck Boots Pursuit Men's Rubber Snake Boot Rubber Rubber sole 4 mm internal neoprene provides comfort and flexibility, along with excellent waterproofing, shock absorption and heat retention properties; adjusts to your foot shape to resist blisters and chafing High-grade, snake-resistant full rubber exterior is puncture-tested vs. 12+ Diamondback Rattlesnake strikes with inflated balloons fitted to the boot interior Anti-microbial XpressCool fabric lining pulls moisture away to keep feet cool and dry; etc Sockliner reduces underfoot friction and heat build-up; comfort rated from 40 F to 95 F (4 C to 35 C) 100% waterproof hunting boots; lightweight EVA midsole for support and cushioning Rugged but lightweight rubber outsole for traction on slippery and uneven surfaces; rear pull loop for easy on/off