Hot Chillys ' warmest base layer! Brushed La Montana fleece combines with Bio Del Mar antimicrobial fabric to produce a comfortable, 4 way stretch bottom that has a high warmth to weight ratio.Read more
This fleece is the ultimate performance warmwear. With Hot Chilly's highest rating it removes any doubt for those concerned with staying warm. Layer it according to the temperature, activity and your own warmth quotient.
Bio Del Mar Antimicrobial
Non-abrasive, soft feeling yarns with permanent anti-microbial properties derived from a biodegradable element of crustacean shells.
Ultra-violet Protection Factor, a rating system that measures the UV protection of which is provided by a fabric. Similar to the SPF rating system used in sunscreens.