Puma at a glance. Puma is one of the world's leading sport lifestyle companies that designs and develops footwear, apparel and accessories. PUMA starts in Sport and ends in Fashion. The updated Faas 300 v4 continues to be the perfect performance training shoe in the Faas collection. With a lighweight technical platform and a minimal and deconstructed upper, this shoe will make any runner feel lighter and faster whether it be training runs or races. Upper: AIRMESH: Provides breathability & comfort; SUPREME RIDE SOCKLINER: Lightweight & breathable perforated EVA sockliner with forefoot flex grooves, arch support for a supreme ride underfoot; TRANSLUCENT NO-SEW OVERLAYS: Seamless & lightweight support that provides a more comfortable fit; REFELECTIVE OVERLAYS: 360 degrees of reflectivity with a fully reflective toebox, heel-cap & welded forefoot overlays; INTERNAL BONDED SUEDE: Seamless & lightweight support structure that provides a more comfortable fit. Outsole: EVERRIDE+ : PUMA's injected blown rubber compound, that is 43% lighter and has enhanced cushioning and durability for a smoother toe-off; EVERTRACK: High abrasion resistant rubber utilized in high wear areas for added durability. Midsole: FAASFOAM+ One-Piece Midsole: PUMA's proprietary blend of foam and rubber, that is more resilient, has increased step-in-comfort, has a more springy feel and is 25% lighter than FaasFoam; FOREFOOT FLEX GROOVES: Allow for a smoother transition and a more flexible toe-off; FLEX NOTCHES: Aligned with the forefoot flex grooves for consistent flexibility and a smoother toe-off.