Womens Shasta Shorts Fathom HTHR - Size 31. Casual summer shorts made from a super-soft woven blend of cotton and merino wool, the Shasta Shorts are as suited to a post-hike barbecue as they are to that much needed vacation abroad. In addition to a modern, relaxed fit, the Shasta Shorts feature a drawcord waist to secure the perfect fit, and a classic five-pocket design for all your essential items.