DETAILS Drink from enough streams and youll eventually get an explosive reaction. Look closely at this hike sock and youll see what we mean. However, a blown-out seam should be the least of your worries. Thats why the Number 2 is #1 when it comes long-lasting toughness and active comfort. FEATURES - Performance Fit: No slipping, no bunching, and no blisters. - Fine Gauge Knitting: Unprecedented durability and our unique put it on, forget its on feel. - Fast Action Wicking: Pulls moisture away from skin. Fast drying. - All Weather Performance: Cool in the summer, warm in the winter. - Guaranteed For Life: No strings. No conditions. For life. - Merino Wool is fast drying, breathable and odor resistant for all-day comfort. - True Seamless: Undetectable seam fusion for an ultra smooth, invisible feel. SPECS - The micro crew is a shorter, more concise take on the traditional crew height. Peeks just above the top of a standard hiking boot. - 63% Merino Wool 35% Nylon 2% Lycra Spandex - Additional warmth and protection are the signature characteristics of midweight yarns in the Hike/Trek category. CUSHIONING DETAILS CUSHION - Cushion in the Hike/Trek category features terry loops under the foot, and in the taller styles reaches above the ankle for comfort and protection. SIZE CHART SOCK SIZE SHOE SIZE Men's/Unisex Men's US Women's US EU UK XS 2.5 - 5 4.5 - 7 35 - 37.5 2.5 - 4.5 S 5.5 - 7.5 7.5 - 9.5 38 - 40.5 5 - 7 M 8 - 9.5 10 - 11.5 41 - 42.5 7.5 - 9 L 10 - 12 12 - 14 43 - 45.5 9.5 - 11.5 XL 12.5 - 14.5 46 - 49.5 12 - 14 XXL 15 - 17 50 - 53 15 - 16*** PLEASE NOTE: Blundstones cannot be shipped to Canada. MEN'S NUMBER 2 MICRO CREW MIDWEIGHT HIKING SOCK 1974 - Green