Adventure Build: Hike, Camp, Ski, Everyday Adventure The Arch Rock is inspired by winter hikes, and classic ski adventures, and born from Royal Robbins 55 years of Sweater Craft expertise. This 100% merino wool sweater is durable, odor resistant, and naturally thermoregulating for active adventures in cold weather. Responsible Wool Standard certified wool ensures the highest standard in ethical sourcing. Features: Breathable, Durable, Odor resistant, Moisture wicking Classic fairisle pattern in mountain-inspired colors 5-gauge knit Mono-fiber styles are easier to recycle than blends and can be recycled into new garments Made with Responsible Wool Standard (RWS) wool, certified by Control Union cert. Material specification Material: 100% wool Technical details Back length: 27,25 in Weight: 17,1 oz Fit: Standard fit Sleeve type: Long sleeve Clothing layer: Insulating layer