The old rubric, "Imitation is the sincerest form of flattery" certainly holds true here. A rep with SOMA told me that they actually used an MKS steel toe clip and fabricated their own version of the toe clip. It's a lovely version of the MKS toe clips, too; rounded to accommodate the curvature of a shoe more readily.

*Leather toe straps not included

Sizing (US Men's):
Small/Medium: up to 7.5
Large plus: 8 to 13.5