2.5 mm bonded felt frost plug.
Handcrafted waterproof vulcanized rubber shell with Sorel aero-trac non loading outsole.
The XT collection has all the great protective benefits of the original plus a new Omni-Heat reflective lining added to the inner boot liner. The XT offers only the best for the most extreme conditions.
Removable 9mm recycled felt inner boot with omni-heat® reflective lining.
Waterproof PU coated synthetic upper. Drawstring with barrel-lock closure. Laces are not waterproof.