This is a new item Small size. Hobie part # 3850sm . As far as sizing Hobie recomends you buy the size jacket you would buy. Designed for active kayaking and sailing. Can be worn with swim trunks or over a wetsuit. Mix and match layers to get the comfort you desire. Spray and wind protection. Beautiful styling and extra durable construction. Neck and wrist seals. Neoprene waist seal, breathable nylon shell. offset chest pocket and arm patch pocket.