<!--ProdInc[170088368]/Mall:[rei_US]--> 4-way stretch, moisture control/breathable Heatwave material has integrated spandex for improved stretch and shape, and maximum 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 Heatwave provides warmth and rapid wicking Brushed Max Wick fabric is placed next to skin for optimal wicking and ventilation throughout This shirt is reversible and has a classic fit High-performance power mesh increases breathability at perspiration zones Constructed with anti-chafing flatlock seams Raglan sleeves provide a comfortable fit during activities Includes Polygiene mesh antimicrobial ventilation zones 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=''''>80% polyester/16% spandex/4% nylon</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v- <a href=''https://www.rei.com/product/218643/seirus-heatwave-reversible-long-sleeve-crew-base-layer-top-mens?colorId=106143'' target=_blank><img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170088368&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px'' border=0></a>
<!--ProdInc[170088368]/Mall:[rei_US]--> 4-way stretch, moisture control/breathable Heatwave material has integrated spandex for improved stretch and shape, and maximum 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 Heatwave provides warmth and rapid wicking Brushed Max Wick fabric is placed next to skin for optimal wicking and ventilation throughout This shirt is reversible and has a classic fit High-performance power mesh increases breathability at perspiration zones Constructed with anti-chafing flatlock seams Raglan sleeves provide a comfortable fit during activities Includes Polygiene mesh antimicrobial ventilation zones 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=''''>80% polyester/16% spandex/4% nylon</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v- <a href=''https://www.rei.com/product/218643/seirus-heatwave-reversible-long-sleeve-crew-base-layer-top-mens?colorId=106143'' target=_blank><img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170088368&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px'' border=0></a>