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.