Anyone from a northern climate can appreciate the utility of a good down jacket; when all you want is guaranteed warmth without having to wear multiple under-layers. The latest from SISP features removable sleeves and takes a classic ski design and updates it with some futuristic sounding technology:
PARTEX QUANTUM Y balances extreme lightness with high strength and increased durability. The unique Y-shaped filaments used inside the yarn lock together to provide more stable construction, which in turn creates a softer, smoother, breathable surface with greater water-beading properties.
Available now from Nitty Gritty.