Merino Wool Sock for All-Season Riding System-engineered to perform in tandem with S-PHYRE shoes, S-PHYRE Merino Tall Socks provide year-round comfort so you can keep your focus on the road ahead. The mid-calf height layers well with tights during cool and cold weather rides, and the merino wool blend absorbs moisture, helping keep your feet dry and comfortable. Features Pro-grade merino wool cycling socks provide year-round comfort, helping keep your focus on the road ahead Thinly Knit Sole: Creates a more direct connection with the shoe, ensuring efficient power transfer to the pedals Anti-Slip Knitted Heel: Enhances durability and reduces unwanted foot slippage inside shoe Wicking Material: Merino wool blend absorbs moisture to keep feet dry and comfortable Comfort Enhancing: Mid-calf height layers well with tights during cool and cold weather rides S-PHYRE Merino Tall Sock Length (measured from heel to top of sock) - S/M: 19cm, M/L: 20cm, L/XL: 21cm Hi-Grade Construction Made from a 51% Wool, 36% Polyester, 11% Polyamide, and 2% Elastane blend, Shimano Merino Tall Socks are both durable and comfortable. Features include a thinly knit sole that enhances efficient power transfer and a knitted, anti-slip heel that reduces unwanted foot slippage inside the shoe so you can always perform at your best. Options Abound SHIMANO Merino Tall Socks come in multiple sizes and colors, including Black/Gray, Gray/Pink and Red. That means you can find the size and look that fits you and your on-bike style. Combine that with a host of high-performance features and these are sure to become your go-to all-season cycling socks for riding and racing.