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The Merino Bi-Layer Crew is just that, two layers. It features a wool blend outer layer with a 100% polyester inside layer. This two-layer construction traps air for increased warmth without weight.

W7993T 030
Thermoregulation Technology keep you warm and dry
2-layer construction enhances breathability
UPF Rating 25+
All flat seam construction to prevent chafing
Set-in sleeves and Ribbed collar & cuffs
Climasense fiber fusion is designed to regulate your optimal temperature
Thermoregulation technology provides comfort through a wide range of temperatures
UPF rated for sun protection
Natural Breathability allows you to warm up or cool down with ease
Odor Control neutralizes sweat and odor