Ammo Jockstrap is cute and cozy, with a waistband panel that simplifies assembly. That is, the pouch continues from the panel, and the back waistband joins attractively to panel sides. The pouch is worked in cartridge belt rib (no purls), which also made the design easy to name.

Sizes
Compact pouch - 7.0 x 6.5 in / 18.0 x 16.5 cm
Regular pouch - 8.0 x 7.0 in / 20.5 x 18.0 cm
Roomy pouch - 9.0 x 8.5 in / 23.0 x 21.5 cm
Also see size diagram in pattern photos

Yarn requirements:
Compact pouch - 54.0 yds / 49.5 m sport weight
Regular pouch - 77.5 yds / 71.0 m sport weight
Roomy pouch - 95.0 yds / 87.0 m sport weight
Waistband and straps (32 in / 81.5 cm waist, all pouch sizes) - 86 yds / 78.5 m sport weight
Additional 1 in / 2.5 cm of stretched waistband: 7.6 ft / 2.3 m sport weight

DPNs are optional but can make joining the waistband and straps simpler

Notions: Stitch markers (2), tapestry needle

Techniques:
• centered double decrease (cdd)
• knit through the back loop (k1tbl)
• knit two and three stitches together (k2tog, k3tog)
• make one stitch (m1)
• slip-slip-knit and slip-slip-slip-knit decrease (ssk and sssk)
• German short rows
• Kitchener stitch