<!--ProdInc[300262201]/Mall:[backcountry_US]-->Sub-zero temps call for the Heavyweight X Base Layer 1/4-Zip Top. Burton''s Living Lining technology reacts to our body heat, boosting warmth or breathability as needed, while the stretch construction and raglan sleeves move with us as we carve steeps, throw shapes, and hunt powder. <h3>Details</h3> Toasty baselayer for slicing groomers and chasing pow in midwinter temps Synthetic fabrication is breathable and moisture wicking Living Lining delivers heavyweight warmth without the heft Drop-tail hem and tall collar provide extra coverage Quarter-zip front for an easy on-off and ventilation Slim fit slides easily under outer layers Item #BURZ8E3 <h3>Tech Specs</h3> Material : synthetic Insulation Weight : heavyweight Fit : slim Style : 1/4-zip mock-neck Pockets : none Hood : none Thumbholes : none Activity : skiing, snowboarding, snowshoeing Manufacturer Warranty : limited lifetime