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Numa Warrior 6mm replacement sole, UltraGrip footbed, shown on the Numa sandal with the straps faded

Numa replacement sole, UltraGrip footbed, seen from above, with the toe plug and buckle fitted

Numa Replacement Soles

$ 54

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Free U.S. shipping over $60

Warrior 6mm

Maximus 9mm

Alpha 12mm

Legend 6mm

Color: UltraGrip

UltraGrip

Tobacco Brown Leather

Sizing

Between sizes? Size up. Shammas tend to run small.

Foot length

US Men's	US Women's	EU	Length
4	5	36	8.88"
5	6	38	9.25"
5.5	6.5	38.5	9.44"
6	7	39.5	9.63"
6.5	7.5	40	9.88"
7	8	40.5	10.0"
7.5	8.5	41	10.13"
8	9	41.5	10.31"
8.5	9.5	42	10.5"
9	10	42.5	10.63"
9.5	10.5	43	10.81"
10	11	44	10.94"
10.5	11.5	44.5	11.13"
11	12	45	11.31"
11.5	12.5	45.5	11.5"
12	13	46	11.63"
12.5	—	47	11.77"
13	—	48	11.94"
14	—	49	12.25"

Want absolute confidence? Download your size's template, print it at 100% scale, and step inside the outline to verify your fit.

Product variants

Free standard shipping in the USA

Shamma Production Period: 5 business days

Proudly made in the USA with high quality domestic and imported materials

Description

Our best-selling sandals, the Numa Warrior are the standard bearer for minimalist design and performance. Combining zero-drop and a wide toe box into an ultralight platform, the Numa Warrior are a popular choice for running and high-intensity activities. These ultrathin and flexible sandals mold perfectly to your feet to get you as close to barefoot as possible. Get ready to burn up the trail!

Replacement soles for Numa sandals, with the toe plug and buckle already fitted. Choose your sole, footbed and size, then install your heel and insole laces at home.

Warrior: 6mm
Maximus: 9mm
Alpha: 12mm
Legend: made entirely of undyed vegetable-tan leather, which patinas with time

Footbeds: UltraGrip or Tobacco Brown Leather.

Sizes are US men's. The video below shows how to install the heel and insole posts.

Fit Guide

Step-by-Step Instructions:

Loosen Zones: First, loosen the two strap zones (heel strap section and elastic forefoot strap) until there is excess slack in each section.
Center Foot: Step into the sandal and center your foot on the sole.
Secure Forefoot: Adjust the elastic forefoot strap so it holds your foot securely without cutting off circulation.
Note: The buckle self-adjusts, so don't worry about placement. Push the elastic through the tension-lock buckle on the heel to adjust tightness.
Lock the Heel: Pull the heel strap snug. The Numa system is designed to move with you, so it should feel secure but dynamic.