Icebreaker Men's Nature Dye Merino 200 Oasis Long Sleeve Crewe Thermal Top Glacier Icebreakers award-winning base layer shirt made from 100% merino wool, the Nature Dye 200 Oasis Long Sleeve Crewe Anniversary IB Glacier is dyed with natural plant pigments. FEATURES FEATURES Gold Winner in the Outdoor Base Layer category at ISPO 100% Merino - Soft merino fibres that regulates body temperature in all weather conditions and resists odours Nature Dye - Ethically sourced plant-based dyes that use less water and naturally fade with time PRODUCT WEIGHT Large = 260 g / 9.17 oz FABRIC CONTENT 100% Wool Merino is super lightweight, soft, non-itchy, non-clammy, warm in the cold and cool in the heat, and has a miraculous ability to resist odour. Because it was made in the mountains rather than in a petrochemical laboratory. Merino wool fibre is naturally renewable, recyclable and biodegradable. Naturally odour-resistant No-itch comfort Regulates body temperature