Smartwool Intraknit Thermal Merino Base Layer 1/4 Zip Men's Size:XL Left-sided zippers on Men’s and

Left-sided zippers on Men’s and right-sided zippers on Women’s allow Disco™ to zip together for a double version of these favorite sleeping bags

Dual-zipper door allows for easy entry

the Mutant 38 fits perfectly between its bigger and smaller siblings

the Zodiac Mid GTX excels on more moderate mountain terrain where the threat of weather still looms

Smartwool Intraknit Thermal Merino Base Layer 1/4 Zip Men's Size:XL Left-sided zippers on Men’s andNew to our innovative Intraknit line is the Men's Intraknit Thermal Merino Base Layer 1 4 Zip. This Smartwool base layer is 3D mapped for a near custom fit and freedom of movement. Its engineered construction helps enhance your performance with a lighter weight and cleaner finish. If you're looking for base layer clothing for cold weather, this one uses Merino Sport yarn that combines the power and benefits of Merino wool with the durability and fast