Nathan Pinnacle 4L Unisex Hydration Vest Size:Medium Glucosamine sulfate is usually derived

Glucosamine sulfate is usually derived from shellfish

Now 450 lumens

Fully-adjustable hand strap with chafe-free thumb hole

Organic Pea Protein – Considered the least allergenic of all protein sources

Nathan Pinnacle 4L Unisex Hydration Vest Size:Medium Glucosamine sulfate is usually derivedDesigned to keep you moving in total comfort, this vest is lightweight, breathable and features tapered back panels to keep the moisture out. Its new enhanced shape boasts a slightly longer back for efficient, dispersed capacity. With just the right chafe free fit and form, it's the perfect race day vest! Thoughtful storage is always in reach including two new Kangaroo pockets allowing one side entry access point and a vertical pocket for larger items