All Categories > Clothing & Accessories > Boys Clothing > Underwear > Layering & Thermal
Patagonia Kid's Capilene 3 Zip Neck

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Capilene® 3 keeps kids' warm and dry during high-activity pursuits. Worn on top or underneath, these versatile polyester performance layers breath easy, dry fast and are built from 64% recycled fibers and 100% recyclable through our Common Threa |
Hot Chillys Fleece Bottom Thermals (Kids')

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Size: Medium - Microfleece for kids is the ultimate for warmth. It is rated a 10, the top of the scale for warmth. Made of 100% micro denier polyester yarns, it is tightly knitted yet very soft and lightweight for being so warm. You won?t have ... |

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The WSI® WikMax™ fitted pants for kids will keep you dry and comfortable. WikMax™ material features durability, moisture wicking ability, and high-sheen appearance. Great for any sport. |
Patagonia Kid's Capilene 3 Zip Neck

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Capilene® 3 keeps kids' warm and dry during high-activity pursuits. Worn on top or underneath, these versatile polyester performance layers breath easy, dry fast and are built from 64% recycled fibers and 100% recyclable through our Common Threa |
Patagonia Baby Capilene 1 Onesie
at Upside Over - Kids Outdoor Gear

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Patagonia's Baby Capilene 1 Onesie is the perfect layer for oven-hot days. This fast-drying one piece won't let their little rumps roast. Made from 100% recycled polyester, supersilky Capilene 1 fabric glides smoothly over skin and under layers ... |
Hot Chillys Fleece Thermal Top (Kids')

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Size: Large - Long sleeve pullover with zip through mock collar, set-in yoke, MTF3000 lycra underarm gussets, straight cuffs and drop tail. Fabric7.5oz fleece knitted with 100% micro denier polyester yarns Features:Relaxed fit Flat seam ... |
Patagonia Kid's Capilene 3 Zip Neck

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Capilene® 3 keeps kids' warm and dry during high-activity pursuits. Worn on top or underneath, these versatile polyester performance layers breath easy, dry fast and are built from 64% recycled fibers and 100% recyclable through our Common Threa |
Patagonia Kids' Capilene 1 Crew
at Upside Over - Kids Outdoor Gear

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Capilene 1 fabric is Patagonia's silkiest, smoothest and grooviest rashguard styled baselayer for keeping cool during the hot days ahead. Made from 100% recycled jersey-knit polyester with built-in Gladiodor(tm) natural odor control. With ... |
Under Armour Boys' ColdGear Mock Turtleneck Thermal Top ...

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Size: Small - White The Under Armour boys? ColdGear Mock turtleneck thermal top is designed to regulate moisture and circulate body heat, so kids stay warm and dry. Under Armour?s ColdGear fabrics are built to work best when temperatures dip below 55 |
Patagonia Kid's Capilene 3 Zip Neck

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Capilene® 3 keeps kids' warm and dry during high-activity pursuits. Worn on top or underneath, these versatile polyester performance layers breath easy, dry fast and are built from 64% recycled fibers and 100% recyclable through our Common Threa |
Molehill Kids' Long Underwear Top (Youth)
at Upside Over - Kids Outdoor Gear

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Molehill's Long Underwear Tops are made from Malden Mill's Polartec PowerDry. These performance tops are the best moisture-wicking long underwear on the market. Don't let your kids wear cotton as their next-to-skin layer! Great for all season ... |
Under Armour Boys' ColdGear Legging (Kids')

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Size: Small - Black The Under Armour Boys? ColdGear Legging is a long underwear bottom designed to regulate moisture and circulate body heat. These base layer pants keep kids stay warm and dry. Under Armour?s ColdGear fabrics are built to work ... |
Molehill Kid's 4-Way Stretch 1/4 Zip T (for Toddlers ...

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4-Way Stretch 1/4 Zip Pullovers are so soft you will never take them off. They will do double duty as a next-to-skin layer or as a middle layer. Poly/Spandex fabric with a brushed back and contrasting silver panels create a slick and stylish look! |
Terramar Crew Thermal Bottom (Kids')

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Unisex Kid`s underpant FEATURES: *10% Pure Filament Jersey Silk *EC2 Qwick-DRI |