From Pattern Description:
These socks are knitted in the round from the heel to the ball of the foot. The toe section is made separately, with the back part sewn to the underside of the sock and the front part fixed by poppers (snaps)

Additional Yarn Notes:
1 x 5 1/4oz (150g) hank of light-weight (DK) pure alpaca yarn in variegated red, orange and green

Additional Notions:
4 snap fastners