From The Last Stitch:
The perfect slim fit, easy to sew, knit hat for any cold-weather activities. Ideal for wearing underneath a helmet when biking and skiing or on its own for hiking, running or anytime you need to keep warm without the bulk. The Velo knit cap has great coverage for the ears with a comfortable, non-chafing design.
XS (52 cm | 20 1/2")
S (54cm | 21 1/4")
M (56 cm | 22")
L (58 cm | 22 5/8”)
XL (60 cm | 23 1/2")
Size range includes adults and children.
The Velo knit cap is close-fitting.
Stretch fleece, stretchy softshell and knits with good recovery (like cotton or wool) are suitable for this pattern. The fabric should have at least 30% crosswise stretch and 10% lengthwise.
Fabric length: 0.4 m (0.44 yards) of knit fabric/140 cm (55") wide
Fold-over elastic length: 50 cm (20 3/4") to (58 cm | 22 5/8") depending on size