The TYR Alliance 30L Backpack offers a modern take on a classic

Skirt style bottom

and lap swimming

Neoprene padded back lower waistband

Twist detail

Billabong Men's Foil 302 Back Zip Flatlock Fullsuit YGroup_8648385003688 The TYR Alliance 30L BackpackFind extreme comfort and warmth with the Foil 302 Full Suit, designed with Billabong technology to give you a perfect ride every time. AX1 Airlite Superflax Neoprene. Strategic seam and panel placement. Moulded supratex knee pads. Internal barrier system. Adjustable contour collar to eliminate water entry. Contour collar. Pre tensioned wrist cuffs. Internal welded stress point reinforcement. Full suit.