Simms Mid-Calf Sock Liner is a great way to add a bit of warmth when the cold weather hits. The Simms Mid-Calf Sock Liner can be worn under a thick wool sock to pull moisture away from your feet and keep the heat in. But the Simms Mid-Calf Sock Liner can also be worn as wet-wading sock.

Here’s what Simms has to say about their Simms Mid-Calf Sock LIner:

Slip into the lightweight, moisture-wicking sock liner that’s perfect for summer wet-wading or layering with standard socks for extra warmth on chilly days.

Simms Mid-Calf Sock Liner specs:

• The body, heel, and toe boxes are knitted with a polypro yarn that wicks moisture and is highly breathable
• Nylon yarns are knitted into high-wear areas for enhanced durability
• Mid-calf height

• FABRIC TECH: 64% Polypropylene, 33% nylon, 3% Lycra spandex

Sizing:

• Medium: Womens 7-10, Mens 6-9
• Large: Womens 10.5-12.5,Mens 9-12
• X-Large: Mens 12+