{"title":"Men's Tops — Base Layers","description":null,"products":[{"product_id":"castelli-flanders-warm-ls-base-layer","title":"Castelli Flanders Warm LS Base Layer","description":"\u003cp\u003eMade for the conditions of Flanders in February, the Castelli Flanders Warm Long Sleeve base layer provides the soft warmth you need in cold weather. The multi-denier soft fabric is exceptionally warm and it wicks sweat so you stay dry, comfortable and protected against winter weather that keeps many cyclists inside. The high collar is sealed by the Camlock zipper so no cold air can seep into your warmth. Breathable mesh keeps the armpits from getting sweaty. Sewn together with flat-lock stitching, the Castelli long sleeve base layer is that extra layer you need to make riding in the cold winter months pleasurable.\u003c\/p\u003e","brand":"Castelli","offers":[{"title":"Black \/ M","offer_id":52092604481856,"sku":"A14531010-3","price":119.99,"currency_code":"USD","in_stock":false},{"title":"Black \/ S","offer_id":52092604514624,"sku":"A14531010-2","price":119.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ L","offer_id":52092604547392,"sku":"A14531010-4","price":119.99,"currency_code":"USD","in_stock":true},{"title":"Grey \/ M","offer_id":52092604580160,"sku":"A14531008-3","price":119.99,"currency_code":"USD","in_stock":false},{"title":"Grey \/ S","offer_id":52092604612928,"sku":"A14531008-2","price":119.99,"currency_code":"USD","in_stock":false},{"title":"Grey \/ XS","offer_id":52092604645696,"sku":"A14531008-1","price":119.99,"currency_code":"USD","in_stock":false},{"title":"Grey \/ 2XL","offer_id":52092604678464,"sku":"A14531008-6","price":119.99,"currency_code":"USD","in_stock":false},{"title":"Grey \/ XL","offer_id":52092604711232,"sku":"A14531008-5","price":119.99,"currency_code":"USD","in_stock":false},{"title":"Grey \/ L","offer_id":52092604744000,"sku":"A14531008-4","price":119.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/1943\/3024\/files\/A14531_008.jpg?v=1780696900"},{"product_id":"assos-earlywinterinteractive-longsleeve","title":"ASSOS earlyWinterInteractive longSleeve","description":"\u003cp\u003eThe ASSOS earlyWinterInteractive longSleeve is designed very much like the earlyFallInteractive longSleeve. A layer that fits and hugs your skin, won’t bind you or hinder movement when you ride. It will also absorb and transport moisture away from your body, keeping you dry and comfortable. The difference between the two layers is that the earlyWinterInteractive longSleeve has a high collar with a half-front zipper that will add that extra protection when the winter season starts.\u003c\/p\u003e","brand":"ASSOS","offers":[{"title":"Black \/ S","offer_id":52092622864704,"sku":"1340404100036","price":169.99,"currency_code":"USD","in_stock":false},{"title":"white \/ S","offer_id":52092622897472,"sku":"1340404500034","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/1943\/3024\/files\/0000327.jpg?v=1780698550"},{"product_id":"gore-bike-wear-alp-x-pro-jersey","title":"GORE BIKE WEAR ALP-X PRO Jersey","description":"\u003cp\u003eThe lightweight, very breathablematerials in the Gore Bike Wear ALP-X PRO Jerseycreate a mountain bike jersey designed for a mountain bike marathon.The jersey blocks wind while keeping a mountain biker dry. All the storage space eliminates the need to carry a backpack while the Firm Hold Pocket Technology keeps the pockets from sagging or swaying on a bumpy trail. Comfort is also designed into the way the panels are put together. Panels are blended together with ultrasonic seams for an amazingly smooth surface against skin. All the features including grippy insert at the back hem, ergonomically shaped collar and Raglan cut create a race ready cycling top for a mountain biker who moves his body in all directions while riding a mountain bike over obstacles on a trail. Gore engineers also thought to make the zipper easy to open and close.\u003c\/p\u003e","brand":"GORE BIKE WEAR","offers":[{"title":"Cadmium Yellow\/Fresh Green \/ M","offer_id":52092642394432,"sku":"SPRALP167208","price":45.0,"currency_code":"USD","in_stock":true},{"title":"Cadmium Yellow\/Fresh Green \/ S","offer_id":52092642427200,"sku":"SPRALP167207","price":45.0,"currency_code":"USD","in_stock":true},{"title":"Red\/White \/ 2XL","offer_id":52092642459968,"sku":"SPRALP350111","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/1943\/3024\/files\/spralp9900_1_1.jpg?v=1780699163"},{"product_id":"core-mesh-3-sleeveless-bl","title":"Castelli Core Mesh 3 Sleeveless  BL","description":"\u003cp\u003eOn hot days, the Castelli Core Mesh 3 Sleeveless Base Layer relieves you from rising body heat and the dampness that builds when you perspire. The fully open mesh is constructed so that air circulates between the base layer and jersey. This circulating air pulls away sweat and body heat. Your body and cycling clothes stay dry and your body temperature stays where it needs to be to continue to put out all out efforts on the bike.  Comfort is enhanced by the seamless construction and a long tail that you can tuck into cycling shorts.\u003c\/p\u003e","brand":"Castelli","offers":[{"title":"Black \/ 2XL","offer_id":52092657860928,"sku":"A17028010-6","price":65.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ L\/XL","offer_id":52092657893696,"sku":"A17028010-4","price":65.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ S\/M","offer_id":52092657926464,"sku":"A17028010-2","price":65.0,"currency_code":"USD","in_stock":true},{"title":"white \/ L\/XL","offer_id":52092657959232,"sku":"A17028001-4","price":65.0,"currency_code":"USD","in_stock":false},{"title":"white \/ 2XL","offer_id":52092657992000,"sku":"A17028001-6","price":65.0,"currency_code":"USD","in_stock":false},{"title":"white \/ S\/M","offer_id":52092658024768,"sku":"A17028001-2","price":65.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/1943\/3024\/files\/A17028_001.jpg?v=1780700393"},{"product_id":"assos-ls-skinfoil-winter-s7-body-insulator","title":"Assos LS.skinFoil_Winter_s7 - Body Insulator","description":"\u003cp\u003eFor such a lightweight base layer, the ASSOS Long Sleeve SkinFoil_Winter_Evo7 has an amazing ability to keep you warm and consistently dry.  While the fabric’s higher density helps to insulate body heat, the mesh circulates air over the Polypropylene fabric that will not absorb sweat. The result of this combination of fabrics is a breathable winter base layer that stays dry all the time. This base layer is great for those long endurance rides with low levels of intensity. Used under an ASSOS winter jacket, the long sleeve base layer keeps you comfortable and motivated to put in those winter base miles. Comfort is enhanced with a seamless, soft compressive fabric that stays close to the body making it an ideal base layer for the winter months.\u003c\/p\u003e","brand":"ASSOS","offers":[{"title":"Blockblack \/ O","offer_id":52092709830976,"sku":"1340419-B-Blockblack-O","price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/1943\/3024\/files\/ls.skinfoilwinter_evo7_front_4.jpg?v=1780701835"},{"product_id":"castelli-flanders-warm-neck-warmer","title":"Castelli Flanders Warm \/ Neck Warmer","description":"\u003cp\u003eCastelli added a built-in neck warmer to its warmest base layer, the Flanders; the Castelli Flanders Warm\/Neck Warmer has a neck that can be lowered for cold days and raised to cover your face on brutally cold training days. The SottoZero fleece fabric keeps in body heat while allowing enough air to circulate to keep a rider dry. Mesh inserts have been added at the armpits, where athletes tend to sweat the most. The mesh is very porous; it absorbs and evaporates body moisture immediately. The base layer fabric feels exceptionally soft against skin which, when combined with flat-lock stitching, provides a serious athlete with a very comfortable base layer for training in uncomfortable weather.\u003c\/p\u003e","brand":"Castelli","offers":[{"title":"Black \/ L","offer_id":52092733129024,"sku":"A18522010-4","price":129.99,"currency_code":"USD","in_stock":false},{"title":"Black \/ M","offer_id":52092733161792,"sku":"A18522010-3","price":129.99,"currency_code":"USD","in_stock":false},{"title":"Black \/ S","offer_id":52092733194560,"sku":"A18522010-2","price":129.99,"currency_code":"USD","in_stock":true},{"title":"Grey \/ L","offer_id":52092733227328,"sku":"A18522008-4","price":129.99,"currency_code":"USD","in_stock":false},{"title":"Grey \/ M","offer_id":52092733260096,"sku":"A18522008-3","price":129.99,"currency_code":"USD","in_stock":false},{"title":"Grey \/ S","offer_id":52092733292864,"sku":"A18522008-2","price":129.99,"currency_code":"USD","in_stock":true},{"title":"Grey \/ XL","offer_id":52092733325632,"sku":"A18522008-5","price":129.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/1943\/3024\/files\/A18522_008.jpg?v=1780702407"},{"product_id":"castelli-core-seamless-base-layer-ss","title":"Castelli Core Seamless Base Layer SS","description":"\u003cp\u003eThe seamless silky soft texture of the fabrics used in Castelli’s Core Seamless Short Sleeve Base Layer are exceptionally comfortable close to body.  The lightweight, soft base layer insulates body heat while its stretchy materials fits snugly under a cycling jersey. To ensure an even better fit, designers made a wide neck opening so it’s flatter along the seams. Polyester quickly moves moisture to the outside of the material so sweat evaporates and you stay dry. The Core Seamless base layer keeps you warm and dry in cool fall and spring bike rides enhancing your body’s ability to perform.\u003c\/p\u003e","brand":"Castelli","offers":[{"title":"Black \/ 2XL","offer_id":52092811968832,"sku":"A20575010-6","price":85.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ L\/XL","offer_id":52092812001600,"sku":"A20575010-4","price":85.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ S\/M","offer_id":52092812034368,"sku":"A20575010-2","price":85.0,"currency_code":"USD","in_stock":false},{"title":"white \/ 2XL","offer_id":52092812067136,"sku":"A20575001-6","price":85.0,"currency_code":"USD","in_stock":true},{"title":"white \/ L\/XL","offer_id":52092812099904,"sku":"A20575001-4","price":85.0,"currency_code":"USD","in_stock":false},{"title":"white \/ S\/M","offer_id":52092812132672,"sku":"A20575001-2","price":85.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/1943\/3024\/files\/A20575_001.jpg?v=1780704759"},{"product_id":"castelli-prosecco-tech-long-sleeve","title":"Castelli Prose Tech Long Sleeve","description":"\u003cp\u003eThe Castelli  Tech Long Sleeve Base Layer adds a second layer for cool weather riding. The long-sleeved base layer not only provides extra warmth, but warm air can circulate and evaporate sweat and excess body heat through the second layer. A  hydrophilic treatment increases the already wicking capacity of the polyester and the PrimaLoft® panels at waist and back are a synthetic microfiber insulator that adds extra warmth. These features ensure the body is equally insulated and kept dry. Crew neck is flat, and it fits comfortably under a short-collar jersey. The  Tech Long Sleeve Base Layer is a comfortable and nearly unnoticeable base layer worn under your cycling jersey or jacket on cool days.\u003c\/p\u003e","brand":"Castelli","offers":[{"title":"Black \/ XL","offer_id":52092829204800,"sku":"A20529010-5","price":99.99,"currency_code":"USD","in_stock":false},{"title":"Black \/ M","offer_id":52092829237568,"sku":"A20529010-3","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/1943\/3024\/files\/A20529_010.jpg?v=1780704967"},{"product_id":"castelli-prosecco-tech-short-sleeve","title":"Castelli Prose Tech Short Sleeve","description":"\u003cp\u003eThe Castelli  Tech Short Sleeve Base Layer is designed with the right fabrics in the right places to ensure a cyclist who is riding at high intensities stays dry. The  hydrophilic treatment on the polyester main body fabric accelerates the already natural wicking properties of polyester. Just as fast as you perspire, the  will wick body moisture so you can continue to press on, move forward and feel great as you ride fast. The PrimaLoft® panels at waist and back add a little extra insulation in areas where cool air can seep into your cycling clothing. The crew nect closure gradually gets thinner so the base layer will fit comfortably under short-collared jerseys.\u003c\/p\u003e","brand":"Castelli","offers":[{"title":"Black \/ XL","offer_id":52092830155072,"sku":"A20530010-5","price":94.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ L","offer_id":52092830187840,"sku":"A20530010-4","price":94.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ XS","offer_id":52092830220608,"sku":"A20530010-1","price":94.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/1943\/3024\/files\/A20530_010.jpg?v=1780704976"},{"product_id":"castelli-merino-seamless-baselayer","title":"Castelli Merino Seamless Baselayer","description":"\u003cp\u003eMerino wool, a natural fiber grown year-round by Merino sheep, is an amazingly soft fabric with a luxurious warmth making it an ideal choice for base layers. The Castelli Merino Seamless Baselayer, made with Merino wool, keeps you comfortable on long-distance bike rides in cool to colder temperatures. Its lightweight and snug fit create almost a second skin that wicks sweat and provides airflow, so you don’t overheat. A baselayer is necessary for performance bike rides because it will help maintain an ideal performance body temperature on training rides and races. The Castelli Merino Seamless Baselayer fits all the ideal characteristics of a performance base layer.\u003c\/p\u003e","brand":"Castelli","offers":[{"title":"Black \/ 2XL","offer_id":52093012967744,"sku":"A4524527010-6","price":110.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ L\/XL","offer_id":52093013000512,"sku":"A4524527010-4","price":110.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ S\/M","offer_id":52093013033280,"sku":"A4524527010-2","price":110.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/1943\/3024\/files\/01-4524527-010.jpg?v=1780711357"},{"product_id":"castelli-merino-seamless-w-baselayer","title":"Castelli Merino Seamless W Baselayer","description":"\u003cp\u003eBase layers provide extra insulation, wick sweat, help regulate body temperature, all to provide comfort in variable temperatures.  The Castelli Merino Seamless Woman’s Baselayer is made to keep a woman comfortable when she rides a bike in cold weather. Made with the natural fiber Merino wool, the base layer is amazingly soft with a luxurious warmth making it an ideal base layer. The Castelli Merino Seamless Baselayer is made with this natural fabric that keeps you comfortable on long-distance bike rides in cool to colder temperatures. The seamless, lightweight, and snug-fitting base layer creates almost a second skin that wicks sweat and provides airflow, so you don’t overheat. Sealed material around wrists and neck keeps out cold wind.\u003c\/p\u003e","brand":"Castelli","offers":[{"title":"Black \/ L\/XL","offer_id":52093013426496,"sku":"A4524555010-4","price":110.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ S\/M","offer_id":52093013459264,"sku":"A4524555010-2","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/1943\/3024\/files\/A4524555_010.jpg?v=1780711365"}],"url":"https:\/\/www.tourcycling.com\/collections\/mens-tops-base-layers.oembed","provider":"Tour Cycling","version":"1.0","type":"link"}