MEC Pertex Quantum Hut Slip On Size Large Fits men's 9-11 US Were over $50 at MEC New condition still Ideal for camping/sleeping bag or Airline / hotel travel $40 Firm ******************** Uppers are Pertex Quantum ripstop nylon with TPU rands to protect against abrasion and DWR to shed light moisture. Nylon lining breathes well to keep your feet comfortable. 100g polyester insulation in lining, upper and rand. 9mm insoles are EVA foam for insulation that won't crush underfoot. Soft polyester tricot footbeds for comfort. Textured TPU anti-slip soles for some traction.