Finish Posture Trainer Size:Onesize The stormex outer material is

The stormex outer material is equipped with a waterproof and windproof aqua pro membrane

The button fastening gives the jacket an elegant look and at the same time comfortable layering

Package items num: Set Collection: General Catalog Composition/material: Hardened foam\n\nPolyurethane\n\nSole PVC Sport: Basketball Packaging: Bubble wrap Skill level: Intermediate Use: Collective Product type: Protection

5 (47-62/584)valve: car valve 40mm (av) / tube valve 42mm (fv)

Finish Posture Trainer Size:Onesize The stormex outer material isThe finis posture trainer corrects and improves proper head spine alignment during swimming. Good body alignment is very important for an efficient swimming stroke. When the posture trainer is attached to the center of the back of the head it is not noticeable until the swimmer exceeds the range of the recommended body position. By keeping the head in the correct position throughout the entire swimming movement the position of the spine is corrected