Calcium Citrate

and 60 grams of EXO Thermo insulation offer a touch more warmth than other pants

Noticeably fast-drying so you feel fresh and distraction-free

Use to refill with clean water

This heavier

Smartwool Kid's Wintersport FC Stripe OTC Socks Size:M Calcium CitrateStaying warm will be the last thing on their minds in the Kids' Wintersport Full Cushion Stripe OTC Socks. This over the calf Merino sock features a striped print, full cushion, and a flat knit toe seam for additional comfort. This cozy sock is made to keep up with your little ones from ski days to building the perfect snowman. Features Full cushion in leg and foot Flat knit toe seam for additional comfort 73% Merino Wool 11% Nylon 15% Recycled Nylon