An attachment system incorporating a platform having an outwardly facing side, an opposite back side, the platform comprising laminated layers including at least one fabric layer comprising a polyethylene or para-aramid fabric, the platform having a plurality of slits therethrough defined and bound by edges of the layers fused together to have increased stiffness, wear and abrasion resistance. The slits are arranged in a predetermined pattern of aligned and spaced apart rows, the slits being configured to receive straps therethrough between the outwardly facing side and the back side to attach at least one holder to the outwardly facing side, and the platform being supported by and comprising an element of a carrier to be carried on a user's body.