Smartwool PhD Slopestyle Ultra Light La Grave Sock Other Indestructawool utilizes a proprietary yarn and construction method which strategically places Merino and reinforcement fibers where they are needed most. The result is the most durable and comfortable wool sock ever made. 4 Degree elite fit system uses two elastics for greater stretch and recovery to keep the sock in place 200 needle construction provides highest knit density while maintaining ultra light weight Virtually seamless toe You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!