Men's Timberland Pro Siberian CSA 8" Insulated Work Boot

Asymmetrical composite safety toe
Non-metallic puncture resistant plate
24/7+ Comfort Platform for springy, breathable & lightweight comfort
OrthoLite O-Therm aerogel-infused footbed that creates a thermal barrier underfoot which blocks cold & maintains footwear temperature regulation
Lightweight Hover Spring™ foam midsole provides industry leading underfoot comfort, flexibility, and durability
Oil and slip resistant All-weather TPU outsole with deep lugs for mud and snow traction
Premium full-grain waterproof leather with waterproof membrane
600 grams of insulation for cold-weather comfort and heat retention
Certified to -40C/-40F
ExoSpine™ technology to provide lasting structure, durability, and improved heel fit
Crampon and microspike compatible TPU shell
Breathable and moisture-wicking flannel lining
Non-metallic shank for structural support
Cement construction for flexibility and durability and flexibility