<!--ProdInc[170088361]/Mall:[rei_US]--> Breathable, 4-way stretch Heatwave material controls moisture and has integrated spandex for improved stretch, shape and comfort Dual-stage Heatwave technology reflects 20% of escaping heat back to you while amplifying heat generated from the fabric moving against your skin for a 4?5° increase in warmth Ergonomically placed Max Wick fabric increases breathability Engineered Body-Map Heatwave technology delivers more warmth and rapid wicking Polygiene high-performance antimicrobial mesh ventilation at perspiration zones helps with microbiome balance and odor control Integrated hinged headliner hood Raglan sleeves provide a comfortable fit during activities Constructed with antichafing flatlock seams Includes reflective hitsImported. Technical specs <table border=1 cellpadding=5 style=''border-collapse: collapse;''><!--[--><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Best Use</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>Snowsports</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Shirt Type</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>T-shirt</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Fabric</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>53% polyester/27% nylon/20% spandex</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class='' <a href=''https://www.rei.com/product/223366/seirus-heatwave-quick-body-mapped-long-sleeve-base-layer-hoodie-mens'' target=_blank><img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170088361&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px'' border=0></a>
<!--ProdInc[170088361]/Mall:[rei_US]--> Breathable, 4-way stretch Heatwave material controls moisture and has integrated spandex for improved stretch, shape and comfort Dual-stage Heatwave technology reflects 20% of escaping heat back to you while amplifying heat generated from the fabric moving against your skin for a 4?5° increase in warmth Ergonomically placed Max Wick fabric increases breathability Engineered Body-Map Heatwave technology delivers more warmth and rapid wicking Polygiene high-performance antimicrobial mesh ventilation at perspiration zones helps with microbiome balance and odor control Integrated hinged headliner hood Raglan sleeves provide a comfortable fit during activities Constructed with antichafing flatlock seams Includes reflective hitsImported. Technical specs <table border=1 cellpadding=5 style=''border-collapse: collapse;''><!--[--><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Best Use</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>Snowsports</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Shirt Type</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>T-shirt</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Fabric</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>53% polyester/27% nylon/20% spandex</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class='' <a href=''https://www.rei.com/product/223366/seirus-heatwave-quick-body-mapped-long-sleeve-base-layer-hoodie-mens'' target=_blank><img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170088361&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px'' border=0></a>