Attached to dry suits and dry pants, the NRS Latex Dry Sock keeps water away and lets you layer inside for warmth and comfort. Details Replacing the dry sock is definitely a do-it-yourself repair. See the printed and video instructions linked here on the page for clear step-by-step procedures. NRS Repairs technicians can also replace gaskets, find them under Customer Service at the top right of the page. Available in three sizes, spanning US men’s shoe sizes of 5-13. The top of the sock fits leg openings 14" (35.6 cm) in circumference. Sold individually. Sizing Gasket Size Neck Gasket Circumference Wrist Gasket Circumference Dry Sock (Men’s U.S. Sizing) S 11.75"–12.5" 6" 5–7 M 12.5"–15" 6"–7" 7–9 L 15"–18" 6.5"–8" 10–13 XL 18"+ N/A N/A See NRS's Latex Gasket Sizing Chart to learn which gasket sizes NRS uses on their dry wear apparel for each size.