Sea to Summit Premium Stretch Knit Expander Underwear Dihedral allows for smooth and

Dihedral allows for smooth and stable forward paddling

The rectangular shape provides lots of space for a comfortable sleep

without cramping your style

stretching exercises

Smooth back face makes for cleaner entry and exit of your strokes and an elegant feel on the water

Sea to Summit Premium Stretch Knit Expander Underwear Dihedral allows for smooth andThe Expander sleeping bag liner is made of a super soft and stretchy knitted poly cotton material. The Rectangular, Traveller and Double models do not have side seams, and combined with the stretch fabric, this offers an unprecedented level of comfot in a budget priced liner. A built in antimicrobial treatment keeps odors at bay and won't wash out of the liner when you throw it in the washing machine. This is the perfect travel companion for those