{"product_id":"merino-185-crew-base-layer-top-mens","title":"REI Co-op Merino 185 Crew Base Layer Top - Men's","description":"\u003cp style=\"margin:1em 0\"\u003eThis 100% merino wool base layer top from REI Co-op is built for multisport adventure. The ultrafine 185 g\/m² wool naturally breathes, wicks sweat, dries quickly, and resists odors and pilling, with a soft feel that won't itch.\u003c\/p\u003e\u003cp style=\"margin:1em 0\"\u003eFlat seams and merrow stitch construction reduce chafing, while underarm gussets allow a full range of movement. The semifitted cut hugs the body for optimum performance, UPF 30 protection shields from the sun, and a locker loop makes it easy to hang dry.\u003c\/p\u003e\n\u003ch3 style=\"margin:1.25em 0 0.5em\"\u003eKey Features\u003c\/h3\u003e\n\u003ctable class=\"pu-table\" style=\"width:100%;border-collapse:separate;border-spacing:0;border:0;box-shadow:none;outline:none;background:none;table-layout:fixed;margin:0 0 1em\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eBest Use\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eMultisport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eShirt Type\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eT-shirt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eFabric\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003e100% merino wool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eSun-Protective Fabric\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eUPF Rating\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003e30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eMoisture Wicking\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eQuick Drying\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eUnderwear Weight\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eLightweight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eSleeve Length\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eShort Sleeve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eGender\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003eMen's\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:0.4em 0.75em 0.4em 0;opacity:0.65;vertical-align:top\"\u003eSustainability\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:0.4em 0;vertical-align:top\"\u003eFair Trade Certified™ Factory - From a Climate Label Certified brand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp style=\"margin:0\"\u003e\u003cimg src=\"https:\/\/public.cloud-dam.rei.com\/api\/public\/content\/f9f2a982d54d4991b67be83d8dfbb709\" alt=\"\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0\"\u003e\u003cimg src=\"https:\/\/www.rei.com\/dam\/c01_0809_how_to_choose_underwear_baselayers_lg.jpg\" alt=\"\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0\"\u003e\u003cimg src=\"https:\/\/www.rei.com\/dam\/23232261_vagnini_20250625_0656_web_med.jpeg\" alt=\"\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0\"\u003e\u003cimg src=\"https:\/\/www.rei.com\/dam\/content_09122016_0011_layering_up_web_med.jpeg\" alt=\"\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/p\u003e\n\u003ch3 style=\"margin:1.25em 0 0.5em\"\u003eHighlights\u003c\/h3\u003e\n\u003cul style=\"margin:1em 0\"\u003e\n\u003cli\u003eUltrafine 185 g\/m² merino wool offers a soft feel without any itchiness\u003c\/li\u003e\n\u003cli\u003eMade with 100% merino wool that naturally breathes, wicks sweat, dries quickly, and resists odors and pilling\u003c\/li\u003e\n\u003cli\u003eUPF 30 sun protection\u003c\/li\u003e\n\u003cli\u003eFlat seams and merrow stitch construction reduce chafing\u003c\/li\u003e\n\u003cli\u003eUnderarm gussets allow full range of movement\u003c\/li\u003e\n\u003cli\u003eSemifitted to hug the body for optimum performance\u003c\/li\u003e\n\u003cli\u003eLocker loop makes it easy to hang this to dry or just keep it off the ground\u003c\/li\u003e\n\u003cli\u003eMachine wash warm, gentle cycle; use wool wash product; do not twist or wring; remove promptly; do not bleach; tumble dry low; cool iron; dry cleaning not recommended\u003c\/li\u003e\n\u003cli\u003eMade of wool sourced according to third-party animal welfare standards adopted by REI Co-op brand\u003c\/li\u003e\n\u003cli\u003eMade in a Fair Trade Certified™ factory\u003c\/li\u003e\n\u003cli\u003eREI Co-op brand is certified to The Climate Label; we actively fund efforts to reduce carbon emissions across our business and support climate projects around the world\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:1.25em 0 0.5em\"\u003eMaterials \u0026amp; care\u003c\/h3\u003e\nMachine wash warm, gentle cycle; use wool wash product; do not twist or wring; remove promptly; do not bleach; tumble dry low; cool iron; dry cleaning not recommended\n\u003ch3 style=\"margin:1.25em 0 0.5em\"\u003eSizing \u0026amp; fit\u003c\/h3\u003e\nFits large based on reviews\n\u003ch3 style=\"margin:1.25em 0 0.5em\"\u003eHow to use\u003c\/h3\u003e\n\u003cp style=\"margin:1em 0\"\u003e\u003cstrong\u003eWhich material is best?\u003c\/strong\u003e\u003c\/p\u003e\u003cul style=\"margin:1em 0\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eWool:\u003c\/strong\u003e highly moisture-wicking and odor-resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynthetic:\u003c\/strong\u003e durable and less expensive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilk:\u003c\/strong\u003e soft and lightweight for casual activities\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"margin:1em 0\"\u003e\u003cstrong\u003eMatch the temp to the trek\u003c\/strong\u003e\u003c\/p\u003e\u003cul style=\"margin:1em 0\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight layers:\u003c\/strong\u003e best for moderate to cool temperatures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMidweight layers:\u003c\/strong\u003e best for cold temperatures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavyweight layers:\u003c\/strong\u003e best for below-freezing temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"margin:1em 0\"\u003e\u003cstrong\u003eFind your fit\u003c\/strong\u003e\u003c\/p\u003e\u003cul style=\"margin:1em 0\"\u003e\n\u003cli\u003eMust be close to skin to efficiently wick sweat; should fit comfortably snug\u003c\/li\u003e\n\u003cli\u003eBase layer is for moisture control; your mid layer is for warmth\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:1em 0\"\u003eFrom feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.\u003c\/p\u003e\n\u003cp style=\"margin:1em 0\"\u003eLoading Questions...\u003c\/p\u003e","brand":"REI Co-op","offers":[{"title":"Black \/ S","offer_id":67859844497635,"sku":"C084270001","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Black \/ M","offer_id":67859844530403,"sku":"C084270002","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Black \/ L","offer_id":67859844563171,"sku":"C084270003","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Black \/ XL","offer_id":67859844595939,"sku":"C084270004","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Black \/ XXL","offer_id":67859844628707,"sku":"C084270005","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Black \/ XXXL","offer_id":67859844661475,"sku":"C084270006","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Black \/ M Tall","offer_id":67859844694243,"sku":"C084270007","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Black \/ L Tall","offer_id":67859844727011,"sku":"C084270008","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Black \/ XL Tall","offer_id":67859844759779,"sku":"C084270009","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Black \/ XXL Tall","offer_id":67859844792547,"sku":"C084270010","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Saragasso Sea \/ S","offer_id":67859844825315,"sku":"C084270011","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Saragasso Sea \/ M","offer_id":67859844858083,"sku":"C084270012","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Saragasso Sea \/ L","offer_id":67859844890851,"sku":"C084270013","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Saragasso Sea \/ XL","offer_id":67859844923619,"sku":"C084270014","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Saragasso Sea \/ XXL","offer_id":67859844956387,"sku":"C084270015","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Saragasso Sea \/ XXXL","offer_id":67859844989155,"sku":"C084270016","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Timber Gray \/ S","offer_id":67859845021923,"sku":"C084270017","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Timber Gray \/ M","offer_id":67859845054691,"sku":"C084270018","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Timber Gray \/ L","offer_id":67859845087459,"sku":"C084270019","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Timber Gray \/ XL","offer_id":67859845120227,"sku":"C084270020","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Timber Gray \/ XXL","offer_id":67859845152995,"sku":"C084270021","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Timber Gray \/ XXXL","offer_id":67859845185763,"sku":"C084270022","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Timber Gray \/ M Tall","offer_id":67859845218531,"sku":"C084270023","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Timber Gray \/ L Tall","offer_id":67859845251299,"sku":"C084270024","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Timber Gray \/ XL Tall","offer_id":67859845284067,"sku":"C084270025","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Timber Gray \/ XXL Tall","offer_id":67859845316835,"sku":"C084270026","price":59.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/0971\/1331\/files\/9bae65cb1d9ed6e7b6d05d0282d6374bbf29b878.jpg?v=1793513780","url":"https:\/\/www.bestdeal999.com\/products\/merino-185-crew-base-layer-top-mens","provider":"Best Deal 999","version":"1.0","type":"link"}