Under Armour Base 4.0 ColdGear Long Sleeve Size:S blended interwoven fiberglass fibers made

blended interwoven fiberglass fibers made to FMF's specifications for high heat resistance

Its lightweight construction

Quick drying polyester mesh and microfiber PU upper

Outer shell material: CORDURA 500D

Outer Material: Aramid fibres lining in knees and seat made with Kevlarby progressive DuPont technology

Under Armour Base 4.0 ColdGear Long Sleeve Size:S blended interwoven fiberglass fibers madeUA Base is a system of baselayers, numbered from 2. 0 4. 0, that takes you from cold to absolutely freezing temps. It uses a special negative grid structure to trap heat without adding bulk. Think long underwear, re engineered for athletes performing at their peak. UA Base 4. 0 is built for extreme cold weather and lower activity levels. FEATURES Fitted: Next to skin without the squeeze. UA Base 4. 0 Extreme Baselayer is the warmest yet, locking in